Home / 3,405,761,427.80-5,108,642,141.70-2,487,431,379.80

Finding the Fourth Proportional to 3,405,761,427.80, 5,108,642,141.70 and 2,487,431,379.80

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Solution

The fourth proportional to 3,405,761,427.80, 5,108,642,141.70 and 2,487,431,379.80 is: 3,731,147,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,761,427.80 : 5,108,642,141.70 = 2,487,431,379.80 : x
  2. Step 2: Convert to fraction form
    3,405,761,427.80/5,108,642,141.70 = 2,487,431,379.80/x
  3. Step 3: Cross multiply
    3,405,761,427.80x = 5,108,642,141.70 × 2,487,431,379.80
  4. Step 4: Simplify right side
    3,405,761,427.80x = 12,707,396,771,433,259,008
  5. Step 5: Solve for x
    x = 12,707,396,771,433,259,008/3,405,761,427.80
  6. Step 6: Final answer
    x = 3,731,147,069.70

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Double scale
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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.