Home / 396,378,822.80-594,568,234.20-251,260,000.40

Finding the Fourth Proportional to 396,378,822.80, 594,568,234.20 and 251,260,000.40

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Solution

The fourth proportional to 396,378,822.80, 594,568,234.20 and 251,260,000.40 is: 376,890,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,378,822.80 : 594,568,234.20 = 251,260,000.40 : x
  2. Step 2: Convert to fraction form
    396,378,822.80/594,568,234.20 = 251,260,000.40/x
  3. Step 3: Cross multiply
    396,378,822.80x = 594,568,234.20 × 251,260,000.40
  4. Step 4: Simplify right side
    396,378,822.80x = 149,391,214,762,919,296
  5. Step 5: Solve for x
    x = 149,391,214,762,919,296/396,378,822.80
  6. Step 6: Final answer
    x = 376,890,000.60

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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.