Home / 392,441,935.86-541,582,145.04-225,208,795.48

Finding the Fourth Proportional to 392,441,935.86, 541,582,145.04 and 225,208,795.48

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Solution

The fourth proportional to 392,441,935.86, 541,582,145.04 and 225,208,795.48 is: 310,795,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,441,935.86 : 541,582,145.04 = 225,208,795.48 : x
  2. Step 2: Convert to fraction form
    392,441,935.86/541,582,145.04 = 225,208,795.48/x
  3. Step 3: Cross multiply
    392,441,935.86x = 541,582,145.04 × 225,208,795.48
  4. Step 4: Simplify right side
    392,441,935.86x = 121,969,062,537,933,040
  5. Step 5: Solve for x
    x = 121,969,062,537,933,040/392,441,935.86
  6. Step 6: Final answer
    x = 310,795,181.13

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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.