Vidyadhar85....your script doesn't work....
this is output...

$ awk -F"[( ]" '{printf "%f %s\n",($3+($5/1000000000))/$1,$NF}' test.txt|sort -r -k1 | more
awk: 0602-566 Cannot divide by zero.
The input line number is 19. The file is test.txt.
The source line number is 1.
0.000000 xjjv
0.000000 sjhfdf
0.000000 sfowe
0.000000 sahjdi
0.000000 posdio
0.000000 oet
0.000000 nnuua
0.000000 lppeuv
0.000000 lmhn
0.000000 lldff
0.000000 jhd
0.000000 hjass
0.000000 hijk
0.000000 efgh
0.000000 dkfi
0.000000 dfhjf
0.000000 asadj
0.000000 abcd
$