Home / 7,188,787,660.80-10,761,682,406.40-4,279,244,851.20

Finding the Fourth Proportional to 7,188,787,660.80, 10,761,682,406.40 and 4,279,244,851.20

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Solution

The fourth proportional to 7,188,787,660.80, 10,761,682,406.40 and 4,279,244,851.20 is: 6,406,069,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,787,660.80 : 10,761,682,406.40 = 4,279,244,851.20 : x
  2. Step 2: Convert to fraction form
    7,188,787,660.80/10,761,682,406.40 = 4,279,244,851.20/x
  3. Step 3: Cross multiply
    7,188,787,660.80x = 10,761,682,406.40 × 4,279,244,851.20
  4. Step 4: Simplify right side
    7,188,787,660.80x = 46,051,874,027,836,825,600
  5. Step 5: Solve for x
    x = 46,051,874,027,836,825,600/7,188,787,660.80
  6. Step 6: Final answer
    x = 6,406,069,590.70

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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.