Home / 547,984,819.42-822,098,131.92-159,838,027.72

Finding the Fourth Proportional to 547,984,819.42, 822,098,131.92 and 159,838,027.72

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Solution

The fourth proportional to 547,984,819.42, 822,098,131.92 and 159,838,027.72 is: 239,792,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,984,819.42 : 822,098,131.92 = 159,838,027.72 : x
  2. Step 2: Convert to fraction form
    547,984,819.42/822,098,131.92 = 159,838,027.72/x
  3. Step 3: Cross multiply
    547,984,819.42x = 822,098,131.92 × 159,838,027.72
  4. Step 4: Simplify right side
    547,984,819.42x = 131,402,543,998,389,168
  5. Step 5: Solve for x
    x = 131,402,543,998,389,168/547,984,819.42
  6. Step 6: Final answer
    x = 239,792,306.91

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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.