Home / 629,857,688.10-944,786,532.15-220,766,216.10

Finding the Fourth Proportional to 629,857,688.10, 944,786,532.15 and 220,766,216.10

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Solution

The fourth proportional to 629,857,688.10, 944,786,532.15 and 220,766,216.10 is: 331,149,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,688.10 : 944,786,532.15 = 220,766,216.10 : x
  2. Step 2: Convert to fraction form
    629,857,688.10/944,786,532.15 = 220,766,216.10/x
  3. Step 3: Cross multiply
    629,857,688.10x = 944,786,532.15 × 220,766,216.10
  4. Step 4: Simplify right side
    629,857,688.10x = 208,576,947,724,996,480
  5. Step 5: Solve for x
    x = 208,576,947,724,996,480/629,857,688.10
  6. Step 6: Final answer
    x = 331,149,324.15

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Double scale
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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.