74730663 divided by 648 
Our goal is to divide 74730663 by 648.

Advancing to step 1:
648 goes into 7 0 times with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Include the next digit (4) from the dividend after 7, then repeat: 74 / 648

Advancing to step 2:
648 goes into 74 0 times with a remainder of 74.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 74, we end up with 74.
Bring next digit (7) of the dividend behind the 74 and repeat the process: 747 / 648

Let's proceed to step 3:
The number 648 fits into 747 1 times, leaving a remainder of 99.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 648 from 747 and we're left with 99.
Bring next digit (3) of the dividend behind the 99 and repeat the process: 993 / 648

Let's proceed to step 4:
993 divided by 648 is 1 with a remainder of 345.
Use 1 as the next digit of our solution. 
Result so far: 11.0
The remainder is 345 after subtracting 648 from 993.
Take the next digit (0) from the dividend and append it to 345, then repeat: 3450 / 648

Advancing to step 5:
If we divide 3450 by 648, we get 5 and a remainder of 210.
The number 5 becomes the next digit in our result. 
Result so far: 115.0
Subtracting 3240 from 3450 leaves us with 210.
Grab the next digit (6) from the dividend, add it to 210, then carry on: 2106 / 648

On to step 6:
The number 648 fits into 2106 3 times, leaving a remainder of 162.
Record the quotient 3 as the next digit in the result. 
Result so far: 1153.0
If we subtract 1944 from 2106, we get 162.
Append the next digit (6) from the dividend to 162 and continue with: 1626 / 648

On to step 7:
The number 648 fits into 1626 2 times, leaving a remainder of 330.
The number 2 becomes the next digit in our result. 
Result so far: 11532.0
Subtracting 1296 from 1626 leaves us with 330.
Bring next digit (3) of the dividend behind the 330 and repeat the process: 3303 / 648

Going ahead to step 8:
The number 648 fits into 3303 5 times, leaving a remainder of 63.
The number 5 becomes the next digit in our result. 
Result so far: 115325.0
The remainder is 63 after subtracting 3240 from 3303.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

On to step 9:
648 can be fit into 630 0 times, resulting in a remainder of 630.
Put 0 as the next digit of the answer. 
Result so far: 115325.0
If we take 0 away from 630, we end up with 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6300, and continue the process.

Going ahead to step 10:
When dividing 6300 by 648, we get 9 with a remainder of 468.
Use 9 as the next digit of our solution. 
Result so far: 115325.09
Subtracting 5832 from 6300 leaves us with 468.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4680, and continue the process.

Let's proceed to step 11:
If we divide 4680 by 648, we get 7 and a remainder of 144.
Use 7 as the next digit of our solution. 
Result so far: 115325.097
If we subtract 4536 from 4680, we get 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Moving on to step 12:
648 can be fit into 1440 2 times, resulting in a remainder of 144.
Use 2 as the next digit of our solution. 
Result so far: 115325.0972
If we subtract 1296 from 1440, we get 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Moving on to step 13:
When dividing 1440 by 648, we get 2 with a remainder of 144.
Use 2 as the next digit of our solution. 
Result so far: 115325.09722
If we subtract 1296 from 1440, we get 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

The final result is 115325.09722 with a remainder of 0.000144.