Home / 489,680,148,374.97-675,760,645,862.80-269,944,013,218.55

Finding the Fourth Proportional to 489,680,148,374.97, 675,760,645,862.80 and 269,944,013,218.55

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Solution

The fourth proportional to 489,680,148,374.97, 675,760,645,862.80 and 269,944,013,218.55 is: 372,523,863,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,680,148,374.97 : 675,760,645,862.80 = 269,944,013,218.55 : x
  2. Step 2: Convert to fraction form
    489,680,148,374.97/675,760,645,862.80 = 269,944,013,218.55/x
  3. Step 3: Cross multiply
    489,680,148,374.97x = 675,760,645,862.80 × 269,944,013,218.55
  4. Step 4: Simplify right side
    489,680,148,374.97x = 182,417,540,719,363,563,192,320
  5. Step 5: Solve for x
    x = 182,417,540,719,363,563,192,320/489,680,148,374.97
  6. Step 6: Final answer
    x = 372,523,863,433.56

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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.