Home / 577,829,738.82-866,900,989.01-412,042,691.76

Finding the Fourth Proportional to 577,829,738.82, 866,900,989.01 and 412,042,691.76

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Solution

The fourth proportional to 577,829,738.82, 866,900,989.01 and 412,042,691.76 is: 618,175,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,829,738.82 : 866,900,989.01 = 412,042,691.76 : x
  2. Step 2: Convert to fraction form
    577,829,738.82/866,900,989.01 = 412,042,691.76/x
  3. Step 3: Cross multiply
    577,829,738.82x = 866,900,989.01 × 412,042,691.76
  4. Step 4: Simplify right side
    577,829,738.82x = 357,200,217,001,086,592
  5. Step 5: Solve for x
    x = 357,200,217,001,086,592/577,829,738.82
  6. Step 6: Final answer
    x = 618,175,550.69

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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.