Home / 629,861,330.10-944,791,995.15-399,145,077.30

Finding the Fourth Proportional to 629,861,330.10, 944,791,995.15 and 399,145,077.30

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Solution

The fourth proportional to 629,861,330.10, 944,791,995.15 and 399,145,077.30 is: 598,717,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,330.10 : 944,791,995.15 = 399,145,077.30 : x
  2. Step 2: Convert to fraction form
    629,861,330.10/944,791,995.15 = 399,145,077.30/x
  3. Step 3: Cross multiply
    629,861,330.10x = 944,791,995.15 × 399,145,077.30
  4. Step 4: Simplify right side
    629,861,330.10x = 377,109,073,936,568,000
  5. Step 5: Solve for x
    x = 377,109,073,936,568,000/629,861,330.10
  6. Step 6: Final answer
    x = 598,717,615.95

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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.