Home / 402,969,468.20-603,446,432.70-322,347,900.20

Finding the Fourth Proportional to 402,969,468.20, 603,446,432.70 and 322,347,900.20

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Solution

The fourth proportional to 402,969,468.20, 603,446,432.70 and 322,347,900.20 is: 482,715,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,969,468.20 : 603,446,432.70 = 322,347,900.20 : x
  2. Step 2: Convert to fraction form
    402,969,468.20/603,446,432.70 = 322,347,900.20/x
  3. Step 3: Cross multiply
    402,969,468.20x = 603,446,432.70 × 322,347,900.20
  4. Step 4: Simplify right side
    402,969,468.20x = 194,519,690,464,025,632
  5. Step 5: Solve for x
    x = 194,519,690,464,025,632/402,969,468.20
  6. Step 6: Final answer
    x = 482,715,703.83

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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.