Home / 288,015,524.39-397,462,469.85-155,856,506.56

Finding the Fourth Proportional to 288,015,524.39, 397,462,469.85 and 155,856,506.56

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Solution

The fourth proportional to 288,015,524.39, 397,462,469.85 and 155,856,506.56 is: 215,082,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,015,524.39 : 397,462,469.85 = 155,856,506.56 : x
  2. Step 2: Convert to fraction form
    288,015,524.39/397,462,469.85 = 155,856,506.56/x
  3. Step 3: Cross multiply
    288,015,524.39x = 397,462,469.85 × 155,856,506.56
  4. Step 4: Simplify right side
    288,015,524.39x = 61,947,112,038,536,680
  5. Step 5: Solve for x
    x = 61,947,112,038,536,680/288,015,524.39
  6. Step 6: Final answer
    x = 215,082,545.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.