Home / 489,680,148,378.36-675,760,645,867.47-269,944,013,221.93

Finding the Fourth Proportional to 489,680,148,378.36, 675,760,645,867.47 and 269,944,013,221.93

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Solution

The fourth proportional to 489,680,148,378.36, 675,760,645,867.47 and 269,944,013,221.93 is: 372,523,863,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,680,148,378.36 : 675,760,645,867.47 = 269,944,013,221.93 : x
  2. Step 2: Convert to fraction form
    489,680,148,378.36/675,760,645,867.47 = 269,944,013,221.93/x
  3. Step 3: Cross multiply
    489,680,148,378.36x = 675,760,645,867.47 × 269,944,013,221.93
  4. Step 4: Simplify right side
    489,680,148,378.36x = 182,417,540,722,908,253,388,800
  5. Step 5: Solve for x
    x = 182,417,540,722,908,253,388,800/489,680,148,378.36
  6. Step 6: Final answer
    x = 372,523,863,438.22

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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.