Home / 1,487,396,994.22-2,231,367,845.73-613,521,638.38

Finding the Fourth Proportional to 1,487,396,994.22, 2,231,367,845.73 and 613,521,638.38

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Solution

The fourth proportional to 1,487,396,994.22, 2,231,367,845.73 and 613,521,638.38 is: 920,394,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,396,994.22 : 2,231,367,845.73 = 613,521,638.38 : x
  2. Step 2: Convert to fraction form
    1,487,396,994.22/2,231,367,845.73 = 613,521,638.38/x
  3. Step 3: Cross multiply
    1,487,396,994.22x = 2,231,367,845.73 × 613,521,638.38
  4. Step 4: Simplify right side
    1,487,396,994.22x = 1,368,992,456,540,720,640
  5. Step 5: Solve for x
    x = 1,368,992,456,540,720,640/1,487,396,994.22
  6. Step 6: Final answer
    x = 920,394,798.34

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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.