Home / 363,806,270.19-502,053,959.70-198,793,839.69

Finding the Fourth Proportional to 363,806,270.19, 502,053,959.70 and 198,793,839.69

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Solution

The fourth proportional to 363,806,270.19, 502,053,959.70 and 198,793,839.69 is: 274,336,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,806,270.19 : 502,053,959.70 = 198,793,839.69 : x
  2. Step 2: Convert to fraction form
    363,806,270.19/502,053,959.70 = 198,793,839.69/x
  3. Step 3: Cross multiply
    363,806,270.19x = 502,053,959.70 × 198,793,839.69
  4. Step 4: Simplify right side
    363,806,270.19x = 99,805,234,380,331,520
  5. Step 5: Solve for x
    x = 99,805,234,380,331,520/363,806,270.19
  6. Step 6: Final answer
    x = 274,336,212.86

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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.