Home / 396,854,651.72-595,243,490.46-120,508,259.55

Finding the Fourth Proportional to 396,854,651.72, 595,243,490.46 and 120,508,259.55

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Solution

The fourth proportional to 396,854,651.72, 595,243,490.46 and 120,508,259.55 is: 180,750,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854,651.72 : 595,243,490.46 = 120,508,259.55 : x
  2. Step 2: Convert to fraction form
    396,854,651.72/595,243,490.46 = 120,508,259.55/x
  3. Step 3: Cross multiply
    396,854,651.72x = 595,243,490.46 × 120,508,259.55
  4. Step 4: Simplify right side
    396,854,651.72x = 71,731,757,043,801,632
  5. Step 5: Solve for x
    x = 71,731,757,043,801,632/396,854,651.72
  6. Step 6: Final answer
    x = 180,750,702.39

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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.