Home / 664,011,691.20-995,167,231.20-509,893,801.20

Finding the Fourth Proportional to 664,011,691.20, 995,167,231.20 and 509,893,801.20

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Solution

The fourth proportional to 664,011,691.20, 995,167,231.20 and 509,893,801.20 is: 764,187,753.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,011,691.20 : 995,167,231.20 = 509,893,801.20 : x
  2. Step 2: Convert to fraction form
    664,011,691.20/995,167,231.20 = 509,893,801.20/x
  3. Step 3: Cross multiply
    664,011,691.20x = 995,167,231.20 × 509,893,801.20
  4. Step 4: Simplify right side
    664,011,691.20x = 507,429,602,346,247,232
  5. Step 5: Solve for x
    x = 507,429,602,346,247,232/664,011,691.20
  6. Step 6: Final answer
    x = 764,187,753.12

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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.