Home / 231,787,011,324.10-347,680,516,986.15-168,605,904,021.70

Finding the Fourth Proportional to 231,787,011,324.10, 347,680,516,986.15 and 168,605,904,021.70

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Solution

The fourth proportional to 231,787,011,324.10, 347,680,516,986.15 and 168,605,904,021.70 is: 252,908,856,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,011,324.10 : 347,680,516,986.15 = 168,605,904,021.70 : x
  2. Step 2: Convert to fraction form
    231,787,011,324.10/347,680,516,986.15 = 168,605,904,021.70/x
  3. Step 3: Cross multiply
    231,787,011,324.10x = 347,680,516,986.15 × 168,605,904,021.70
  4. Step 4: Simplify right side
    231,787,011,324.10x = 58,620,987,877,181,853,007,872
  5. Step 5: Solve for x
    x = 58,620,987,877,181,853,007,872/231,787,011,324.10
  6. Step 6: Final answer
    x = 252,908,856,032.55

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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.