Home / 1,687,323,562.38-2,530,062,684.42-1,339,802,002.90

Finding the Fourth Proportional to 1,687,323,562.38, 2,530,062,684.42 and 1,339,802,002.90

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Solution

The fourth proportional to 1,687,323,562.38, 2,530,062,684.42 and 1,339,802,002.90 is: 2,008,970,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,323,562.38 : 2,530,062,684.42 = 1,339,802,002.90 : x
  2. Step 2: Convert to fraction form
    1,687,323,562.38/2,530,062,684.42 = 1,339,802,002.90/x
  3. Step 3: Cross multiply
    1,687,323,562.38x = 2,530,062,684.42 × 1,339,802,002.90
  4. Step 4: Simplify right side
    1,687,323,562.38x = 3,389,783,052,048,466,944
  5. Step 5: Solve for x
    x = 3,389,783,052,048,466,944/1,687,323,562.38
  6. Step 6: Final answer
    x = 2,008,970,376.30

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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.