Home / 1,687,323,558.53-2,530,062,678.71-1,339,801,999.11

Finding the Fourth Proportional to 1,687,323,558.53, 2,530,062,678.71 and 1,339,801,999.11

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Solution

The fourth proportional to 1,687,323,558.53, 2,530,062,678.71 and 1,339,801,999.11 is: 2,008,970,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,323,558.53 : 2,530,062,678.71 = 1,339,801,999.11 : x
  2. Step 2: Convert to fraction form
    1,687,323,558.53/2,530,062,678.71 = 1,339,801,999.11/x
  3. Step 3: Cross multiply
    1,687,323,558.53x = 2,530,062,678.71 × 1,339,801,999.11
  4. Step 4: Simplify right side
    1,687,323,558.53x = 3,389,783,034,812,609,024
  5. Step 5: Solve for x
    x = 3,389,783,034,812,609,024/1,687,323,558.53
  6. Step 6: Final answer
    x = 2,008,970,370.66

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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.