Home / 408,997,052.65-614,403,595.85-253,665,650.56

Finding the Fourth Proportional to 408,997,052.65, 614,403,595.85 and 253,665,650.56

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Solution

The fourth proportional to 408,997,052.65, 614,403,595.85 and 253,665,650.56 is: 381,061,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,997,052.65 : 614,403,595.85 = 253,665,650.56 : x
  2. Step 2: Convert to fraction form
    408,997,052.65/614,403,595.85 = 253,665,650.56/x
  3. Step 3: Cross multiply
    408,997,052.65x = 614,403,595.85 × 253,665,650.56
  4. Step 4: Simplify right side
    408,997,052.65x = 155,853,087,847,693,568
  5. Step 5: Solve for x
    x = 155,853,087,847,693,568/408,997,052.65
  6. Step 6: Final answer
    x = 381,061,640.51

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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.