Home / 527,616,105.20-791,424,157.80-391,567,209.20

Finding the Fourth Proportional to 527,616,105.20, 791,424,157.80 and 391,567,209.20

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Solution

The fourth proportional to 527,616,105.20, 791,424,157.80 and 391,567,209.20 is: 587,350,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,616,105.20 : 791,424,157.80 = 391,567,209.20 : x
  2. Step 2: Convert to fraction form
    527,616,105.20/791,424,157.80 = 391,567,209.20/x
  3. Step 3: Cross multiply
    527,616,105.20x = 791,424,157.80 × 391,567,209.20
  4. Step 4: Simplify right side
    527,616,105.20x = 309,895,748,763,206,400
  5. Step 5: Solve for x
    x = 309,895,748,763,206,400/527,616,105.20
  6. Step 6: Final answer
    x = 587,350,813.80

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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.