Home / 675,503,854.97-1,013,331,365.17-215,335,260.41

Finding the Fourth Proportional to 675,503,854.97, 1,013,331,365.17 and 215,335,260.41

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Solution

The fourth proportional to 675,503,854.97, 1,013,331,365.17 and 215,335,260.41 is: 323,026,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,503,854.97 : 1,013,331,365.17 = 215,335,260.41 : x
  2. Step 2: Convert to fraction form
    675,503,854.97/1,013,331,365.17 = 215,335,260.41/x
  3. Step 3: Cross multiply
    675,503,854.97x = 1,013,331,365.17 × 215,335,260.41
  4. Step 4: Simplify right side
    675,503,854.97x = 218,205,973,394,897,760
  5. Step 5: Solve for x
    x = 218,205,973,394,897,760/675,503,854.97
  6. Step 6: Final answer
    x = 323,026,984.66

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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.