Step 1:
The first step to converting 4539763921.2576 to a fraction is to re-write 4539763921.2576 in the form p/q where p and q are both positive integers. To start with, 4539763921.2576 can be written as simply 4539763921.2576/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 4539763921.2576, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 4539763921.2576/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 4539763921.2576/1 each by 10000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 4539763921.2576 as a fraction:
4539763921/1 / 1