Home / 419,904,831.30-629,857,246.95-147,240,168.90

Finding the Fourth Proportional to 419,904,831.30, 629,857,246.95 and 147,240,168.90

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Solution

The fourth proportional to 419,904,831.30, 629,857,246.95 and 147,240,168.90 is: 220,860,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,831.30 : 629,857,246.95 = 147,240,168.90 : x
  2. Step 2: Convert to fraction form
    419,904,831.30/629,857,246.95 = 147,240,168.90/x
  3. Step 3: Cross multiply
    419,904,831.30x = 629,857,246.95 × 147,240,168.90
  4. Step 4: Simplify right side
    419,904,831.30x = 92,740,287,423,807,024
  5. Step 5: Solve for x
    x = 92,740,287,423,807,024/419,904,831.30
  6. Step 6: Final answer
    x = 220,860,253.35

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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.