Home / 392,026,460.55-588,055,925.19-115,677,665.43

Finding the Fourth Proportional to 392,026,460.55, 588,055,925.19 and 115,677,665.43

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Solution

The fourth proportional to 392,026,460.55, 588,055,925.19 and 115,677,665.43 is: 173,521,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,026,460.55 : 588,055,925.19 = 115,677,665.43 : x
  2. Step 2: Convert to fraction form
    392,026,460.55/588,055,925.19 = 115,677,665.43/x
  3. Step 3: Cross multiply
    392,026,460.55x = 588,055,925.19 × 115,677,665.43
  4. Step 4: Simplify right side
    392,026,460.55x = 68,024,936,566,486,512
  5. Step 5: Solve for x
    x = 68,024,936,566,486,512/392,026,460.55
  6. Step 6: Final answer
    x = 173,521,288.52

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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.