Home / 392,441,934.86-541,582,143.66-225,208,794.47

Finding the Fourth Proportional to 392,441,934.86, 541,582,143.66 and 225,208,794.47

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Solution

The fourth proportional to 392,441,934.86, 541,582,143.66 and 225,208,794.47 is: 310,795,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,441,934.86 : 541,582,143.66 = 225,208,794.47 : x
  2. Step 2: Convert to fraction form
    392,441,934.86/541,582,143.66 = 225,208,794.47/x
  3. Step 3: Cross multiply
    392,441,934.86x = 541,582,143.66 × 225,208,794.47
  4. Step 4: Simplify right side
    392,441,934.86x = 121,969,061,680,146,944
  5. Step 5: Solve for x
    x = 121,969,061,680,146,944/392,441,934.86
  6. Step 6: Final answer
    x = 310,795,179.73

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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.