Home / 522,764,331.20-784,146,496.80-216,654,315.20

Finding the Fourth Proportional to 522,764,331.20, 784,146,496.80 and 216,654,315.20

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Solution

The fourth proportional to 522,764,331.20, 784,146,496.80 and 216,654,315.20 is: 324,981,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,764,331.20 : 784,146,496.80 = 216,654,315.20 : x
  2. Step 2: Convert to fraction form
    522,764,331.20/784,146,496.80 = 216,654,315.20/x
  3. Step 3: Cross multiply
    522,764,331.20x = 784,146,496.80 × 216,654,315.20
  4. Step 4: Simplify right side
    522,764,331.20x = 169,888,722,280,682,976
  5. Step 5: Solve for x
    x = 169,888,722,280,682,976/522,764,331.20
  6. Step 6: Final answer
    x = 324,981,472.80

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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.