Home / 804,815,999.10-1,207,223,998.65-230,387,327.10

Finding the Fourth Proportional to 804,815,999.10, 1,207,223,998.65 and 230,387,327.10

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Solution

The fourth proportional to 804,815,999.10, 1,207,223,998.65 and 230,387,327.10 is: 345,580,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,815,999.10 : 1,207,223,998.65 = 230,387,327.10 : x
  2. Step 2: Convert to fraction form
    804,815,999.10/1,207,223,998.65 = 230,387,327.10/x
  3. Step 3: Cross multiply
    804,815,999.10x = 1,207,223,998.65 × 230,387,327.10
  4. Step 4: Simplify right side
    804,815,999.10x = 278,129,110,259,947,520
  5. Step 5: Solve for x
    x = 278,129,110,259,947,520/804,815,999.10
  6. Step 6: Final answer
    x = 345,580,990.65

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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.