Home / 1,067,395,815.20-1,601,093,722.80-378,081,408.80

Finding the Fourth Proportional to 1,067,395,815.20, 1,601,093,722.80 and 378,081,408.80

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Solution

The fourth proportional to 1,067,395,815.20, 1,601,093,722.80 and 378,081,408.80 is: 567,122,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,395,815.20 : 1,601,093,722.80 = 378,081,408.80 : x
  2. Step 2: Convert to fraction form
    1,067,395,815.20/1,601,093,722.80 = 378,081,408.80/x
  3. Step 3: Cross multiply
    1,067,395,815.20x = 1,601,093,722.80 × 378,081,408.80
  4. Step 4: Simplify right side
    1,067,395,815.20x = 605,343,770,337,060,736
  5. Step 5: Solve for x
    x = 605,343,770,337,060,736/1,067,395,815.20
  6. Step 6: Final answer
    x = 567,122,113.20

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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.