Home / 629,858,721.60-944,788,082.40-169,780,406.40

Finding the Fourth Proportional to 629,858,721.60, 944,788,082.40 and 169,780,406.40

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Solution

The fourth proportional to 629,858,721.60, 944,788,082.40 and 169,780,406.40 is: 254,670,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,721.60 : 944,788,082.40 = 169,780,406.40 : x
  2. Step 2: Convert to fraction form
    629,858,721.60/944,788,082.40 = 169,780,406.40/x
  3. Step 3: Cross multiply
    629,858,721.60x = 944,788,082.40 × 169,780,406.40
  4. Step 4: Simplify right side
    629,858,721.60x = 160,406,504,591,748,704
  5. Step 5: Solve for x
    x = 160,406,504,591,748,704/629,858,721.60
  6. Step 6: Final answer
    x = 254,670,609.60

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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.