Home / 331,128,859.60-496,693,289.40-324,326,414.80

Finding the Fourth Proportional to 331,128,859.60, 496,693,289.40 and 324,326,414.80

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Solution

The fourth proportional to 331,128,859.60, 496,693,289.40 and 324,326,414.80 is: 486,489,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,859.60 : 496,693,289.40 = 324,326,414.80 : x
  2. Step 2: Convert to fraction form
    331,128,859.60/496,693,289.40 = 324,326,414.80/x
  3. Step 3: Cross multiply
    331,128,859.60x = 496,693,289.40 × 324,326,414.80
  4. Step 4: Simplify right side
    331,128,859.60x = 161,090,753,806,320,832
  5. Step 5: Solve for x
    x = 161,090,753,806,320,832/331,128,859.60
  6. Step 6: Final answer
    x = 486,489,622.20

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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.