Finding the Fourth Proportional to 2,612,163,456.50, 3,604,785,613.71 and 1,438,741,728.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612,163,456.50 : 3,604,785,613.71 = 1,438,741,728.50 : x
2. Step 2: Convert to fraction form
   2,612,163,456.50/3,604,785,613.71 = 1,438,741,728.50/x
3. Step 3: Cross multiply
   2,612,163,456.50x = 3,604,785,613.71 × 1,438,741,728.50
4. Step 4: Simplify right side
   2,612,163,456.50x = 5,186,355,484,741,058,560
5. Step 5: Solve for x
   x = 5,186,355,484,741,058,560/2,612,163,456.50
6. Step 6: Final answer
   x = 1,985,463,609.42