Home / 664,340,412.20-996,510,618.30-276,034,188.20

Finding the Fourth Proportional to 664,340,412.20, 996,510,618.30 and 276,034,188.20

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Solution

The fourth proportional to 664,340,412.20, 996,510,618.30 and 276,034,188.20 is: 414,051,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,340,412.20 : 996,510,618.30 = 276,034,188.20 : x
  2. Step 2: Convert to fraction form
    664,340,412.20/996,510,618.30 = 276,034,188.20/x
  3. Step 3: Cross multiply
    664,340,412.20x = 996,510,618.30 × 276,034,188.20
  4. Step 4: Simplify right side
    664,340,412.20x = 275,070,999,555,120,544
  5. Step 5: Solve for x
    x = 275,070,999,555,120,544/664,340,412.20
  6. Step 6: Final answer
    x = 414,051,282.30

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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.