Home / 2,080,471,766.20-3,120,707,649.30-854,520,047.80

Finding the Fourth Proportional to 2,080,471,766.20, 3,120,707,649.30 and 854,520,047.80

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Solution

The fourth proportional to 2,080,471,766.20, 3,120,707,649.30 and 854,520,047.80 is: 1,281,780,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,471,766.20 : 3,120,707,649.30 = 854,520,047.80 : x
  2. Step 2: Convert to fraction form
    2,080,471,766.20/3,120,707,649.30 = 854,520,047.80/x
  3. Step 3: Cross multiply
    2,080,471,766.20x = 3,120,707,649.30 × 854,520,047.80
  4. Step 4: Simplify right side
    2,080,471,766.20x = 2,666,707,249,649,661,440
  5. Step 5: Solve for x
    x = 2,666,707,249,649,661,440/2,080,471,766.20
  6. Step 6: Final answer
    x = 1,281,780,071.70

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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.