Home / 331,777,129.20-497,665,693.80-324,699,241.20

Finding the Fourth Proportional to 331,777,129.20, 497,665,693.80 and 324,699,241.20

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Solution

The fourth proportional to 331,777,129.20, 497,665,693.80 and 324,699,241.20 is: 487,048,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777,129.20 : 497,665,693.80 = 324,699,241.20 : x
  2. Step 2: Convert to fraction form
    331,777,129.20/497,665,693.80 = 324,699,241.20/x
  3. Step 3: Cross multiply
    331,777,129.20x = 497,665,693.80 × 324,699,241.20
  4. Step 4: Simplify right side
    331,777,129.20x = 161,591,673,148,131,552
  5. Step 5: Solve for x
    x = 161,591,673,148,131,552/331,777,129.20
  6. Step 6: Final answer
    x = 487,048,861.80

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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.