Home / 1,309,179,680.28-1,806,706,260.90-714,502,306.44

Finding the Fourth Proportional to 1,309,179,680.28, 1,806,706,260.90 and 714,502,306.44

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Solution

The fourth proportional to 1,309,179,680.28, 1,806,706,260.90 and 714,502,306.44 is: 986,034,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,179,680.28 : 1,806,706,260.90 = 714,502,306.44 : x
  2. Step 2: Convert to fraction form
    1,309,179,680.28/1,806,706,260.90 = 714,502,306.44/x
  3. Step 3: Cross multiply
    1,309,179,680.28x = 1,806,706,260.90 × 714,502,306.44
  4. Step 4: Simplify right side
    1,309,179,680.28x = 1,290,895,790,472,638,464
  5. Step 5: Solve for x
    x = 1,290,895,790,472,638,464/1,309,179,680.28
  6. Step 6: Final answer
    x = 986,034,086.78

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Double scale
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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.