Home / 1,984,328,117.28-2,974,491,288-1,247,924,309.04

Finding the Fourth Proportional to 1,984,328,117.28, 2,974,491,288 and 1,247,924,309.04

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Solution

The fourth proportional to 1,984,328,117.28, 2,974,491,288 and 1,247,924,309.04 is: 1,870,628,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,328,117.28 : 2,974,491,288 = 1,247,924,309.04 : x
  2. Step 2: Convert to fraction form
    1,984,328,117.28/2,974,491,288 = 1,247,924,309.04/x
  3. Step 3: Cross multiply
    1,984,328,117.28x = 2,974,491,288 × 1,247,924,309.04
  4. Step 4: Simplify right side
    1,984,328,117.28x = 3,711,939,985,322,899,456
  5. Step 5: Solve for x
    x = 3,711,939,985,322,899,456/1,984,328,117.28
  6. Step 6: Final answer
    x = 1,870,628,124.95

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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.