Home / 443,840,486.55-611,998,641.57-331,972,819.44

Finding the Fourth Proportional to 443,840,486.55, 611,998,641.57 and 331,972,819.44

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Solution

The fourth proportional to 443,840,486.55, 611,998,641.57 and 331,972,819.44 is: 457,747,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,840,486.55 : 611,998,641.57 = 331,972,819.44 : x
  2. Step 2: Convert to fraction form
    443,840,486.55/611,998,641.57 = 331,972,819.44/x
  3. Step 3: Cross multiply
    443,840,486.55x = 611,998,641.57 × 331,972,819.44
  4. Step 4: Simplify right side
    443,840,486.55x = 203,166,914,535,442,912
  5. Step 5: Solve for x
    x = 203,166,914,535,442,912/443,840,486.55
  6. Step 6: Final answer
    x = 457,747,593.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.