45378790 divided by 300 
We're looking to find how many times 300 goes into 45378790.

Let's proceed to step 1:
The number 300 fits into 4 0 times, leaving a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Bring next digit (5) of the dividend behind the 4 and repeat the process: 45 / 300

On to step 2:
300 can be fit into 45 0 times, resulting in a remainder of 45.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 45 and we're left with 45.
Take the next digit (3) from the dividend and append it to 45, then repeat: 453 / 300

Let's proceed to step 3:
300 goes into 453 1 times with a remainder of 153.
Write down 1 as next digit of the result. 
Result so far: 1.0
The remainder is 153 after subtracting 300 from 453.
Fetch the next digit (7) from the dividend, attach it to 153 and continue: 1537 / 300

Moving on to step 4:
The number 300 fits into 1537 5 times, leaving a remainder of 37.
Use 5 as the next digit of our solution. 
Result so far: 15.0
Deduct 1500 from 1537 and we're left with 37.
Fetch the next digit (8) from the dividend, attach it to 37 and continue: 378 / 300

On to step 5:
300 can be fit into 378 1 times, resulting in a remainder of 78.
Record the quotient 1 as the next digit in the result. 
Result so far: 151.0
Subtract 300 from 378 to get 78.
Grab the next digit (7) from the dividend, add it to 78, then carry on: 787 / 300

Moving on to step 6:
787 divided by 300 is 2 with a remainder of 187.
Record the quotient 2 as the next digit in the result. 
Result so far: 1512.0
Subtracting 600 from 787 leaves us with 187.
Append the next digit (9) from the dividend to 187 and continue with: 1879 / 300

Moving on to step 7:
300 can be fit into 1879 6 times, resulting in a remainder of 79.
Record the quotient 6 as the next digit in the result. 
Result so far: 15126.0
Deduct 1800 from 1879 and we're left with 79.
Take the next digit (0) from the dividend and append it to 79, then repeat: 790 / 300

Going ahead to step 8:
300 can be fit into 790 2 times, resulting in a remainder of 190.
The number 2 becomes the next digit in our result. 
Result so far: 151262.0
Deduct 600 from 790 and we're left with 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Step 9:
When dividing 1900 by 300, we get 6 with a remainder of 100.
Write down 6 as next digit of the result. 
Result so far: 151262.6
If we take 1800 away from 1900, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Let's proceed to step 10:
300 goes into 1000 3 times with a remainder of 100.
Use 3 as the next digit of our solution. 
Result so far: 151262.63
Subtract 900 from 1000 to get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Going ahead to step 11:
When dividing 1000 by 300, we get 3 with a remainder of 100.
Use 3 as the next digit of our solution. 
Result so far: 151262.633
If we subtract 900 from 1000, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

The final result is 151262.633 with a remainder of 0.01.