Home / 2,808,328,476.82-3,873,627,207.72-1,806,013,229.88

Finding the Fourth Proportional to 2,808,328,476.82, 3,873,627,207.72 and 1,806,013,229.88

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Solution

The fourth proportional to 2,808,328,476.82, 3,873,627,207.72 and 1,806,013,229.88 is: 2,491,098,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,328,476.82 : 3,873,627,207.72 = 1,806,013,229.88 : x
  2. Step 2: Convert to fraction form
    2,808,328,476.82/3,873,627,207.72 = 1,806,013,229.88/x
  3. Step 3: Cross multiply
    2,808,328,476.82x = 3,873,627,207.72 × 1,806,013,229.88
  4. Step 4: Simplify right side
    2,808,328,476.82x = 6,995,821,984,765,443,072
  5. Step 5: Solve for x
    x = 6,995,821,984,765,443,072/2,808,328,476.82
  6. Step 6: Final answer
    x = 2,491,098,189.73

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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.