Home / 392,062,043.10-540,644,587.83-259,857,134.94

Finding the Fourth Proportional to 392,062,043.10, 540,644,587.83 and 259,857,134.94

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Solution

The fourth proportional to 392,062,043.10, 540,644,587.83 and 259,857,134.94 is: 358,337,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,062,043.10 : 540,644,587.83 = 259,857,134.94 : x
  2. Step 2: Convert to fraction form
    392,062,043.10/540,644,587.83 = 259,857,134.94/x
  3. Step 3: Cross multiply
    392,062,043.10x = 540,644,587.83 × 259,857,134.94
  4. Step 4: Simplify right side
    392,062,043.10x = 140,490,353,614,321,008
  5. Step 5: Solve for x
    x = 140,490,353,614,321,008/392,062,043.10
  6. Step 6: Final answer
    x = 358,337,044.06

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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.