Home / 3,079,617,819.28-4,617,581,965.05-980,187,384.22

Finding the Fourth Proportional to 3,079,617,819.28, 4,617,581,965.05 and 980,187,384.22

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Solution

The fourth proportional to 3,079,617,819.28, 4,617,581,965.05 and 980,187,384.22 is: 1,469,693,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,617,819.28 : 4,617,581,965.05 = 980,187,384.22 : x
  2. Step 2: Convert to fraction form
    3,079,617,819.28/4,617,581,965.05 = 980,187,384.22/x
  3. Step 3: Cross multiply
    3,079,617,819.28x = 4,617,581,965.05 × 980,187,384.22
  4. Step 4: Simplify right side
    3,079,617,819.28x = 4,526,095,587,735,987,200
  5. Step 5: Solve for x
    x = 4,526,095,587,735,987,200/3,079,617,819.28
  6. Step 6: Final answer
    x = 1,469,693,920.92

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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.