Home / 664,308,002.10-996,462,003.15-615,935,061.30

Finding the Fourth Proportional to 664,308,002.10, 996,462,003.15 and 615,935,061.30

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Solution

The fourth proportional to 664,308,002.10, 996,462,003.15 and 615,935,061.30 is: 923,902,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,002.10 : 996,462,003.15 = 615,935,061.30 : x
  2. Step 2: Convert to fraction form
    664,308,002.10/996,462,003.15 = 615,935,061.30/x
  3. Step 3: Cross multiply
    664,308,002.10x = 996,462,003.15 × 615,935,061.30
  4. Step 4: Simplify right side
    664,308,002.10x = 613,755,884,993,315,968
  5. Step 5: Solve for x
    x = 613,755,884,993,315,968/664,308,002.10
  6. Step 6: Final answer
    x = 923,902,591.95

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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.