Home / 205,215,735,456.73-307,874,874,592.17-144,827,921,188.73

Finding the Fourth Proportional to 205,215,735,456.73, 307,874,874,592.17 and 144,827,921,188.73

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Solution

The fourth proportional to 205,215,735,456.73, 307,874,874,592.17 and 144,827,921,188.73 is: 217,278,065,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,215,735,456.73 : 307,874,874,592.17 = 144,827,921,188.73 : x
  2. Step 2: Convert to fraction form
    205,215,735,456.73/307,874,874,592.17 = 144,827,921,188.73/x
  3. Step 3: Cross multiply
    205,215,735,456.73x = 307,874,874,592.17 × 144,827,921,188.73
  4. Step 4: Simplify right side
    205,215,735,456.73x = 44,588,878,073,424,932,503,552
  5. Step 5: Solve for x
    x = 44,588,878,073,424,932,503,552/205,215,735,456.73
  6. Step 6: Final answer
    x = 217,278,065,808.10

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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.