Home / 392,119,791.66-588,243,521.16-115,798,956.12

Finding the Fourth Proportional to 392,119,791.66, 588,243,521.16 and 115,798,956.12

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Solution

The fourth proportional to 392,119,791.66, 588,243,521.16 and 115,798,956.12 is: 173,717,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,119,791.66 : 588,243,521.16 = 115,798,956.12 : x
  2. Step 2: Convert to fraction form
    392,119,791.66/588,243,521.16 = 115,798,956.12/x
  3. Step 3: Cross multiply
    392,119,791.66x = 588,243,521.16 × 115,798,956.12
  4. Step 4: Simplify right side
    392,119,791.66x = 68,117,985,694,681,128
  5. Step 5: Solve for x
    x = 68,117,985,694,681,128/392,119,791.66
  6. Step 6: Final answer
    x = 173,717,285.24

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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.