Home / 641,670,951.92-962,392,652.20-291,835,077.61

Finding the Fourth Proportional to 641,670,951.92, 962,392,652.20 and 291,835,077.61

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Solution

The fourth proportional to 641,670,951.92, 962,392,652.20 and 291,835,077.61 is: 437,700,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,670,951.92 : 962,392,652.20 = 291,835,077.61 : x
  2. Step 2: Convert to fraction form
    641,670,951.92/962,392,652.20 = 291,835,077.61/x
  3. Step 3: Cross multiply
    641,670,951.92x = 962,392,652.20 × 291,835,077.61
  4. Step 4: Simplify right side
    641,670,951.92x = 280,859,934,347,275,424
  5. Step 5: Solve for x
    x = 280,859,934,347,275,424/641,670,951.92
  6. Step 6: Final answer
    x = 437,700,870.68

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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.