Home / 396,854,613.81-595,243,433.61-120,508,221.69

Finding the Fourth Proportional to 396,854,613.81, 595,243,433.61 and 120,508,221.69

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Solution

The fourth proportional to 396,854,613.81, 595,243,433.61 and 120,508,221.69 is: 180,750,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854,613.81 : 595,243,433.61 = 120,508,221.69 : x
  2. Step 2: Convert to fraction form
    396,854,613.81/595,243,433.61 = 120,508,221.69/x
  3. Step 3: Cross multiply
    396,854,613.81x = 595,243,433.61 × 120,508,221.69
  4. Step 4: Simplify right side
    396,854,613.81x = 71,731,727,656,990,680
  5. Step 5: Solve for x
    x = 71,731,727,656,990,680/396,854,613.81
  6. Step 6: Final answer
    x = 180,750,645.60

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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.