Home / 664,308,049.35-996,462,074.03-615,935,108.55

Finding the Fourth Proportional to 664,308,049.35, 996,462,074.03 and 615,935,108.55

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Solution

The fourth proportional to 664,308,049.35, 996,462,074.03 and 615,935,108.55 is: 923,902,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,049.35 : 996,462,074.03 = 615,935,108.55 : x
  2. Step 2: Convert to fraction form
    664,308,049.35/996,462,074.03 = 615,935,108.55/x
  3. Step 3: Cross multiply
    664,308,049.35x = 996,462,074.03 × 615,935,108.55
  4. Step 4: Simplify right side
    664,308,049.35x = 613,755,975,730,546,432
  5. Step 5: Solve for x
    x = 613,755,975,730,546,432/664,308,049.35
  6. Step 6: Final answer
    x = 923,902,662.83

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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.