Step 1:
The first step to converting 543288.78046197 to a fraction is to re-write 543288.78046197 in the form p/q where p and q are both positive integers. To start with, 543288.78046197 can be written as simply 543288.78046197/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 543288.78046197, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 543288.78046197/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 543288.78046197/1 each by 100000000:
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 543288.78046197 as a fraction:
543289/1 / 1