Home / 500,372,958.25-750,898,524.75-205,321,419.64

Finding the Fourth Proportional to 500,372,958.25, 750,898,524.75 and 205,321,419.64

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Solution

The fourth proportional to 500,372,958.25, 750,898,524.75 and 205,321,419.64 is: 308,121,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,372,958.25 : 750,898,524.75 = 205,321,419.64 : x
  2. Step 2: Convert to fraction form
    500,372,958.25/750,898,524.75 = 205,321,419.64/x
  3. Step 3: Cross multiply
    500,372,958.25x = 750,898,524.75 × 205,321,419.64
  4. Step 4: Simplify right side
    500,372,958.25x = 154,175,551,107,251,680
  5. Step 5: Solve for x
    x = 154,175,551,107,251,680/500,372,958.25
  6. Step 6: Final answer
    x = 308,121,269.48

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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.