Home / 438,973,780.08-658,460,891.55-132,265,892.97

Finding the Fourth Proportional to 438,973,780.08, 658,460,891.55 and 132,265,892.97

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Solution

The fourth proportional to 438,973,780.08, 658,460,891.55 and 132,265,892.97 is: 198,398,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,973,780.08 : 658,460,891.55 = 132,265,892.97 : x
  2. Step 2: Convert to fraction form
    438,973,780.08/658,460,891.55 = 132,265,892.97/x
  3. Step 3: Cross multiply
    438,973,780.08x = 658,460,891.55 × 132,265,892.97
  4. Step 4: Simplify right side
    438,973,780.08x = 87,091,917,806,683,072
  5. Step 5: Solve for x
    x = 87,091,917,806,683,072/438,973,780.08
  6. Step 6: Final answer
    x = 198,398,906.17

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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.