Home / 392,261,591.12-588,188,111.16-146,416,080.56

Finding the Fourth Proportional to 392,261,591.12, 588,188,111.16 and 146,416,080.56

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Solution

The fourth proportional to 392,261,591.12, 588,188,111.16 and 146,416,080.56 is: 219,547,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,261,591.12 : 588,188,111.16 = 146,416,080.56 : x
  2. Step 2: Convert to fraction form
    392,261,591.12/588,188,111.16 = 146,416,080.56/x
  3. Step 3: Cross multiply
    392,261,591.12x = 588,188,111.16 × 146,416,080.56
  4. Step 4: Simplify right side
    392,261,591.12x = 86,120,197,868,036,784
  5. Step 5: Solve for x
    x = 86,120,197,868,036,784/392,261,591.12
  6. Step 6: Final answer
    x = 219,547,872.69

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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.