Home / 391,007,520.42-586,753,479.95-227,322,314.61

Finding the Fourth Proportional to 391,007,520.42, 586,753,479.95 and 227,322,314.61

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Solution

The fourth proportional to 391,007,520.42, 586,753,479.95 and 227,322,314.61 is: 341,124,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,007,520.42 : 586,753,479.95 = 227,322,314.61 : x
  2. Step 2: Convert to fraction form
    391,007,520.42/586,753,479.95 = 227,322,314.61/x
  3. Step 3: Cross multiply
    391,007,520.42x = 586,753,479.95 × 227,322,314.61
  4. Step 4: Simplify right side
    391,007,520.42x = 133,382,159,166,569,632
  5. Step 5: Solve for x
    x = 133,382,159,166,569,632/391,007,520.42
  6. Step 6: Final answer
    x = 341,124,280.74

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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.