Home / 610,274,042.88-842,172,240.60-331,815,565.68

Finding the Fourth Proportional to 610,274,042.88, 842,172,240.60 and 331,815,565.68

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Solution

The fourth proportional to 610,274,042.88, 842,172,240.60 and 331,815,565.68 is: 457,902,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,274,042.88 : 842,172,240.60 = 331,815,565.68 : x
  2. Step 2: Convert to fraction form
    610,274,042.88/842,172,240.60 = 331,815,565.68/x
  3. Step 3: Cross multiply
    610,274,042.88x = 842,172,240.60 × 331,815,565.68
  4. Step 4: Simplify right side
    610,274,042.88x = 279,445,858,414,682,080
  5. Step 5: Solve for x
    x = 279,445,858,414,682,080/610,274,042.88
  6. Step 6: Final answer
    x = 457,902,251.74

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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.