Home / 319,624,693.32-479,458,691.28-112,337,902.74

Finding the Fourth Proportional to 319,624,693.32, 479,458,691.28 and 112,337,902.74

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Solution

The fourth proportional to 319,624,693.32, 479,458,691.28 and 112,337,902.74 is: 168,514,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,624,693.32 : 479,458,691.28 = 112,337,902.74 : x
  2. Step 2: Convert to fraction form
    319,624,693.32/479,458,691.28 = 112,337,902.74/x
  3. Step 3: Cross multiply
    319,624,693.32x = 479,458,691.28 × 112,337,902.74
  4. Step 4: Simplify right side
    319,624,693.32x = 53,861,383,827,642,152
  5. Step 5: Solve for x
    x = 53,861,383,827,642,152/319,624,693.32
  6. Step 6: Final answer
    x = 168,514,463.85

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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.