Home / 396,854,599.59-595,243,412.28-120,508,207.43

Finding the Fourth Proportional to 396,854,599.59, 595,243,412.28 and 120,508,207.43

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Solution

The fourth proportional to 396,854,599.59, 595,243,412.28 and 120,508,207.43 is: 180,750,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854,599.59 : 595,243,412.28 = 120,508,207.43 : x
  2. Step 2: Convert to fraction form
    396,854,599.59/595,243,412.28 = 120,508,207.43/x
  3. Step 3: Cross multiply
    396,854,599.59x = 595,243,412.28 × 120,508,207.43
  4. Step 4: Simplify right side
    396,854,599.59x = 71,731,716,595,403,024
  5. Step 5: Solve for x
    x = 71,731,716,595,403,024/396,854,599.59
  6. Step 6: Final answer
    x = 180,750,624.21

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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.