Home / 3,984,080,450.20-5,976,120,675.30-3,929,660,891.80

Finding the Fourth Proportional to 3,984,080,450.20, 5,976,120,675.30 and 3,929,660,891.80

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Solution

The fourth proportional to 3,984,080,450.20, 5,976,120,675.30 and 3,929,660,891.80 is: 5,894,491,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,080,450.20 : 5,976,120,675.30 = 3,929,660,891.80 : x
  2. Step 2: Convert to fraction form
    3,984,080,450.20/5,976,120,675.30 = 3,929,660,891.80/x
  3. Step 3: Cross multiply
    3,984,080,450.20x = 5,976,120,675.30 × 3,929,660,891.80
  4. Step 4: Simplify right side
    3,984,080,450.20x = 23,484,127,702,403,817,472
  5. Step 5: Solve for x
    x = 23,484,127,702,403,817,472/3,984,080,450.20
  6. Step 6: Final answer
    x = 5,894,491,337.70

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Double scale
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1.5x scale

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.