Step 1:
The first step to converting 338143.4782758 to a fraction is to re-write 338143.4782758 in the form p/q where p and q are both positive integers. To start with, 338143.4782758 can be written as simply 338143.4782758/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 338143.4782758, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 338143.4782758/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 338143.4782758/1 each by 10000000:
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 338143.4782758 as a fraction:
676287/2 / 1