Home / 613,500,697.59-921,613,066.85-380,503,593.73

Finding the Fourth Proportional to 613,500,697.59, 921,613,066.85 and 380,503,593.73

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Solution

The fourth proportional to 613,500,697.59, 921,613,066.85 and 380,503,593.73 is: 571,600,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,500,697.59 : 921,613,066.85 = 380,503,593.73 : x
  2. Step 2: Convert to fraction form
    613,500,697.59/921,613,066.85 = 380,503,593.73/x
  3. Step 3: Cross multiply
    613,500,697.59x = 921,613,066.85 × 380,503,593.73
  4. Step 4: Simplify right side
    613,500,697.59x = 350,677,083,964,951,744
  5. Step 5: Solve for x
    x = 350,677,083,964,951,744/613,500,697.59
  6. Step 6: Final answer
    x = 571,600,138.91

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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.