Finding the Fourth Proportional to 2,005,888,499.16, 2,995,325,513.76 and 1,638,153,470.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,888,499.16 : 2,995,325,513.76 = 1,638,153,470.58 : x
2. Step 2: Convert to fraction form
   2,005,888,499.16/2,995,325,513.76 = 1,638,153,470.58/x
3. Step 3: Cross multiply
   2,005,888,499.16x = 2,995,325,513.76 × 1,638,153,470.58
4. Step 4: Simplify right side
   2,005,888,499.16x = 4,906,802,885,882,765,312
5. Step 5: Solve for x
   x = 4,906,802,885,882,765,312/2,005,888,499.16
6. Step 6: Final answer
   x = 2,446,199,221.91