Home / 392,441,932.86-541,582,140.90-225,208,792.47

Finding the Fourth Proportional to 392,441,932.86, 541,582,140.90 and 225,208,792.47

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Solution

The fourth proportional to 392,441,932.86, 541,582,140.90 and 225,208,792.47 is: 310,795,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,441,932.86 : 541,582,140.90 = 225,208,792.47 : x
  2. Step 2: Convert to fraction form
    392,441,932.86/541,582,140.90 = 225,208,792.47/x
  3. Step 3: Cross multiply
    392,441,932.86x = 541,582,140.90 × 225,208,792.47
  4. Step 4: Simplify right side
    392,441,932.86x = 121,969,059,975,406,400
  5. Step 5: Solve for x
    x = 121,969,059,975,406,400/392,441,932.86
  6. Step 6: Final answer
    x = 310,795,176.97

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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.