Home / 515,040,537.30-772,608,045.15-169,994,922.90

Finding the Fourth Proportional to 515,040,537.30, 772,608,045.15 and 169,994,922.90

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Solution

The fourth proportional to 515,040,537.30, 772,608,045.15 and 169,994,922.90 is: 255,007,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,040,537.30 : 772,608,045.15 = 169,994,922.90 : x
  2. Step 2: Convert to fraction form
    515,040,537.30/772,608,045.15 = 169,994,922.90/x
  3. Step 3: Cross multiply
    515,040,537.30x = 772,608,045.15 × 169,994,922.90
  4. Step 4: Simplify right side
    515,040,537.30x = 131,339,445,067,193,968
  5. Step 5: Solve for x
    x = 131,339,445,067,193,968/515,040,537.30
  6. Step 6: Final answer
    x = 255,007,976.18

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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.