Home / 396,854,646.40-595,243,478.40-120,508,253.34

Finding the Fourth Proportional to 396,854,646.40, 595,243,478.40 and 120,508,253.34

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Solution

The fourth proportional to 396,854,646.40, 595,243,478.40 and 120,508,253.34 is: 180,750,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854,646.40 : 595,243,478.40 = 120,508,253.34 : x
  2. Step 2: Convert to fraction form
    396,854,646.40/595,243,478.40 = 120,508,253.34/x
  3. Step 3: Cross multiply
    396,854,646.40x = 595,243,478.40 × 120,508,253.34
  4. Step 4: Simplify right side
    396,854,646.40x = 71,731,751,894,010,016
  5. Step 5: Solve for x
    x = 71,731,751,894,010,016/396,854,646.40
  6. Step 6: Final answer
    x = 180,750,691.83

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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.