Home / 664,308,049.60-996,462,074.40-615,935,108.80

Finding the Fourth Proportional to 664,308,049.60, 996,462,074.40 and 615,935,108.80

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Solution

The fourth proportional to 664,308,049.60, 996,462,074.40 and 615,935,108.80 is: 923,902,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,049.60 : 996,462,074.40 = 615,935,108.80 : x
  2. Step 2: Convert to fraction form
    664,308,049.60/996,462,074.40 = 615,935,108.80/x
  3. Step 3: Cross multiply
    664,308,049.60x = 996,462,074.40 × 615,935,108.80
  4. Step 4: Simplify right side
    664,308,049.60x = 613,755,976,210,637,696
  5. Step 5: Solve for x
    x = 613,755,976,210,637,696/664,308,049.60
  6. Step 6: Final answer
    x = 923,902,663.20

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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.