Home / 560,158,135.08-773,086,011.42-318,812,789.91

Finding the Fourth Proportional to 560,158,135.08, 773,086,011.42 and 318,812,789.91

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Solution

The fourth proportional to 560,158,135.08, 773,086,011.42 and 318,812,789.91 is: 440,000,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,158,135.08 : 773,086,011.42 = 318,812,789.91 : x
  2. Step 2: Convert to fraction form
    560,158,135.08/773,086,011.42 = 318,812,789.91/x
  3. Step 3: Cross multiply
    560,158,135.08x = 773,086,011.42 × 318,812,789.91
  4. Step 4: Simplify right side
    560,158,135.08x = 246,469,708,141,204,320
  5. Step 5: Solve for x
    x = 246,469,708,141,204,320/560,158,135.08
  6. Step 6: Final answer
    x = 440,000,229.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.