Home / 381,520,986.60-571,693,614.30-284,019,277.80

Finding the Fourth Proportional to 381,520,986.60, 571,693,614.30 and 284,019,277.80

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Solution

The fourth proportional to 381,520,986.60, 571,693,614.30 and 284,019,277.80 is: 425,591,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,520,986.60 : 571,693,614.30 = 284,019,277.80 : x
  2. Step 2: Convert to fraction form
    381,520,986.60/571,693,614.30 = 284,019,277.80/x
  3. Step 3: Cross multiply
    381,520,986.60x = 571,693,614.30 × 284,019,277.80
  4. Step 4: Simplify right side
    381,520,986.60x = 162,372,007,456,357,760
  5. Step 5: Solve for x
    x = 162,372,007,456,357,760/381,520,986.60
  6. Step 6: Final answer
    x = 425,591,286.35

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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.