Home / 1,539,649,200.30-2,309,473,800.45-721,844,169.90

Finding the Fourth Proportional to 1,539,649,200.30, 2,309,473,800.45 and 721,844,169.90

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Solution

The fourth proportional to 1,539,649,200.30, 2,309,473,800.45 and 721,844,169.90 is: 1,082,766,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,649,200.30 : 2,309,473,800.45 = 721,844,169.90 : x
  2. Step 2: Convert to fraction form
    1,539,649,200.30/2,309,473,800.45 = 721,844,169.90/x
  3. Step 3: Cross multiply
    1,539,649,200.30x = 2,309,473,800.45 × 721,844,169.90
  4. Step 4: Simplify right side
    1,539,649,200.30x = 1,667,080,198,391,628,288
  5. Step 5: Solve for x
    x = 1,667,080,198,391,628,288/1,539,649,200.30
  6. Step 6: Final answer
    x = 1,082,766,254.85

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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.