Home / 522,764,327.20-784,146,490.80-216,654,311.20

Finding the Fourth Proportional to 522,764,327.20, 784,146,490.80 and 216,654,311.20

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Solution

The fourth proportional to 522,764,327.20, 784,146,490.80 and 216,654,311.20 is: 324,981,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,764,327.20 : 784,146,490.80 = 216,654,311.20 : x
  2. Step 2: Convert to fraction form
    522,764,327.20/784,146,490.80 = 216,654,311.20/x
  3. Step 3: Cross multiply
    522,764,327.20x = 784,146,490.80 × 216,654,311.20
  4. Step 4: Simplify right side
    522,764,327.20x = 169,888,717,844,171,104
  5. Step 5: Solve for x
    x = 169,888,717,844,171,104/522,764,327.20
  6. Step 6: Final answer
    x = 324,981,466.80

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Double scale
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Similar ratio
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1.5x scale

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.