Home / 3,405,761,425.80-5,108,642,138.70-2,487,431,377.80

Finding the Fourth Proportional to 3,405,761,425.80, 5,108,642,138.70 and 2,487,431,377.80

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Solution

The fourth proportional to 3,405,761,425.80, 5,108,642,138.70 and 2,487,431,377.80 is: 3,731,147,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,761,425.80 : 5,108,642,138.70 = 2,487,431,377.80 : x
  2. Step 2: Convert to fraction form
    3,405,761,425.80/5,108,642,138.70 = 2,487,431,377.80/x
  3. Step 3: Cross multiply
    3,405,761,425.80x = 5,108,642,138.70 × 2,487,431,377.80
  4. Step 4: Simplify right side
    3,405,761,425.80x = 12,707,396,753,753,679,872
  5. Step 5: Solve for x
    x = 12,707,396,753,753,679,872/3,405,761,425.80
  6. Step 6: Final answer
    x = 3,731,147,066.70

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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.