Home / 502,244,446.40-752,960,120.76-157,020,372.80

Finding the Fourth Proportional to 502,244,446.40, 752,960,120.76 and 157,020,372.80

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Solution

The fourth proportional to 502,244,446.40, 752,960,120.76 and 157,020,372.80 is: 235,403,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,244,446.40 : 752,960,120.76 = 157,020,372.80 : x
  2. Step 2: Convert to fraction form
    502,244,446.40/752,960,120.76 = 157,020,372.80/x
  3. Step 3: Cross multiply
    502,244,446.40x = 752,960,120.76 × 157,020,372.80
  4. Step 4: Simplify right side
    502,244,446.40x = 118,230,078,865,268,224
  5. Step 5: Solve for x
    x = 118,230,078,865,268,224/502,244,446.40
  6. Step 6: Final answer
    x = 235,403,456.85

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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.