reverse devision equation

[sakthivel159]

5/1.1=4.5454545455

how to get reverse 1.1 value ?. i have 5 and result value.

Thanks

 

[willyengland]

You have to convert the period 54 into a fraction:
Period 0.545454 ... = 54/99
Adding 4 gives 450/99

So 5/x = 450/99
x = 5*99/450