Home / 629,856,831.20-944,785,246.80-499,760,074.40

Finding the Fourth Proportional to 629,856,831.20, 944,785,246.80 and 499,760,074.40

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Solution

The fourth proportional to 629,856,831.20, 944,785,246.80 and 499,760,074.40 is: 749,640,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,831.20 : 944,785,246.80 = 499,760,074.40 : x
  2. Step 2: Convert to fraction form
    629,856,831.20/944,785,246.80 = 499,760,074.40/x
  3. Step 3: Cross multiply
    629,856,831.20x = 944,785,246.80 × 499,760,074.40
  4. Step 4: Simplify right side
    629,856,831.20x = 472,165,945,232,790,336
  5. Step 5: Solve for x
    x = 472,165,945,232,790,336/629,856,831.20
  6. Step 6: Final answer
    x = 749,640,111.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.