Home / 1,687,323,561.38-2,530,062,682.92-1,339,802,001.90

Finding the Fourth Proportional to 1,687,323,561.38, 2,530,062,682.92 and 1,339,802,001.90

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Solution

The fourth proportional to 1,687,323,561.38, 2,530,062,682.92 and 1,339,802,001.90 is: 2,008,970,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,323,561.38 : 2,530,062,682.92 = 1,339,802,001.90 : x
  2. Step 2: Convert to fraction form
    1,687,323,561.38/2,530,062,682.92 = 1,339,802,001.90/x
  3. Step 3: Cross multiply
    1,687,323,561.38x = 2,530,062,682.92 × 1,339,802,001.90
  4. Step 4: Simplify right side
    1,687,323,561.38x = 3,389,783,047,508,701,184
  5. Step 5: Solve for x
    x = 3,389,783,047,508,701,184/1,687,323,561.38
  6. Step 6: Final answer
    x = 2,008,970,374.80

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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.