Home / 472,778,737.62-652,608,762.22-284,615,780.82

Finding the Fourth Proportional to 472,778,737.62, 652,608,762.22 and 284,615,780.82

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Solution

The fourth proportional to 472,778,737.62, 652,608,762.22 and 284,615,780.82 is: 392,874,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,778,737.62 : 652,608,762.22 = 284,615,780.82 : x
  2. Step 2: Convert to fraction form
    472,778,737.62/652,608,762.22 = 284,615,780.82/x
  3. Step 3: Cross multiply
    472,778,737.62x = 652,608,762.22 × 284,615,780.82
  4. Step 4: Simplify right side
    472,778,737.62x = 185,742,752,429,219,008
  5. Step 5: Solve for x
    x = 185,742,752,429,219,008/472,778,737.62
  6. Step 6: Final answer
    x = 392,874,589.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.