Home / 664,238,713.80-996,924,941.10-296,339,824.20

Finding the Fourth Proportional to 664,238,713.80, 996,924,941.10 and 296,339,824.20

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Solution

The fourth proportional to 664,238,713.80, 996,924,941.10 and 296,339,824.20 is: 444,762,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,238,713.80 : 996,924,941.10 = 296,339,824.20 : x
  2. Step 2: Convert to fraction form
    664,238,713.80/996,924,941.10 = 296,339,824.20/x
  3. Step 3: Cross multiply
    664,238,713.80x = 996,924,941.10 × 296,339,824.20
  4. Step 4: Simplify right side
    664,238,713.80x = 295,428,561,786,169,344
  5. Step 5: Solve for x
    x = 295,428,561,786,169,344/664,238,713.80
  6. Step 6: Final answer
    x = 444,762,636.76

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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.