Home / 664,238,627.80-996,924,812.10-296,339,738.20

Finding the Fourth Proportional to 664,238,627.80, 996,924,812.10 and 296,339,738.20

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Solution

The fourth proportional to 664,238,627.80, 996,924,812.10 and 296,339,738.20 is: 444,762,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,238,627.80 : 996,924,812.10 = 296,339,738.20 : x
  2. Step 2: Convert to fraction form
    664,238,627.80/996,924,812.10 = 296,339,738.20/x
  3. Step 3: Cross multiply
    664,238,627.80x = 996,924,812.10 × 296,339,738.20
  4. Step 4: Simplify right side
    664,238,627.80x = 295,428,437,822,798,208
  5. Step 5: Solve for x
    x = 295,428,437,822,798,208/664,238,627.80
  6. Step 6: Final answer
    x = 444,762,507.72

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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.