Home / 312,469,830.80-468,226,449.30-295,251,142.40

Finding the Fourth Proportional to 312,469,830.80, 468,226,449.30 and 295,251,142.40

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Solution

The fourth proportional to 312,469,830.80, 468,226,449.30 and 295,251,142.40 is: 442,424,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,469,830.80 : 468,226,449.30 = 295,251,142.40 : x
  2. Step 2: Convert to fraction form
    312,469,830.80/468,226,449.30 = 295,251,142.40/x
  3. Step 3: Cross multiply
    312,469,830.80x = 468,226,449.30 × 295,251,142.40
  4. Step 4: Simplify right side
    312,469,830.80x = 138,244,394,057,720,672
  5. Step 5: Solve for x
    x = 138,244,394,057,720,672/312,469,830.80
  6. Step 6: Final answer
    x = 442,424,773.31

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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.