Finding the Fourth Proportional to 2,020,476,241.92, 3,030,798,654.72 and 640,260,203.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,476,241.92 : 3,030,798,654.72 = 640,260,203.52 : x
2. Step 2: Convert to fraction form
   2,020,476,241.92/3,030,798,654.72 = 640,260,203.52/x
3. Step 3: Cross multiply
   2,020,476,241.92x = 3,030,798,654.72 × 640,260,203.52
4. Step 4: Simplify right side
   2,020,476,241.92x = 1,940,499,763,499,169,280
5. Step 5: Solve for x
   x = 1,940,499,763,499,169,280/2,020,476,241.92
6. Step 6: Final answer
   x = 960,417,016.17