Home / 396,933,311.57-595,428,310.88-105,798,909.29

Finding the Fourth Proportional to 396,933,311.57, 595,428,310.88 and 105,798,909.29

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Solution

The fourth proportional to 396,933,311.57, 595,428,310.88 and 105,798,909.29 is: 158,705,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,933,311.57 : 595,428,310.88 = 105,798,909.29 : x
  2. Step 2: Convert to fraction form
    396,933,311.57/595,428,310.88 = 105,798,909.29/x
  3. Step 3: Cross multiply
    396,933,311.57x = 595,428,310.88 × 105,798,909.29
  4. Step 4: Simplify right side
    396,933,311.57x = 62,995,665,850,962,048
  5. Step 5: Solve for x
    x = 62,995,665,850,962,048/396,933,311.57
  6. Step 6: Final answer
    x = 158,705,918.64

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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.