Home / 1,687,323,552.31-2,530,062,669.34-1,339,801,992.84

Finding the Fourth Proportional to 1,687,323,552.31, 2,530,062,669.34 and 1,339,801,992.84

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Solution

The fourth proportional to 1,687,323,552.31, 2,530,062,669.34 and 1,339,801,992.84 is: 2,008,970,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,323,552.31 : 2,530,062,669.34 = 1,339,801,992.84 : x
  2. Step 2: Convert to fraction form
    1,687,323,552.31/2,530,062,669.34 = 1,339,801,992.84/x
  3. Step 3: Cross multiply
    1,687,323,552.31x = 2,530,062,669.34 × 1,339,801,992.84
  4. Step 4: Simplify right side
    1,687,323,552.31x = 3,389,783,006,391,821,824
  5. Step 5: Solve for x
    x = 3,389,783,006,391,821,824/1,687,323,552.31
  6. Step 6: Final answer
    x = 2,008,970,361.23

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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.