The result of your conversion between dekatherm and thermie appears here
To convert between Dekatherm and Thermie you have to do the following:
First divide 1.055057e+09 / 4185800 = 252.05623776
Then multiply the amount of Dekatherm you want to convert to Thermie, use the chart below to guide you.
Symbol: dathm
No description
Symbol: th
No description