Home / 3,619,230,467.22-5,428,899,854.60-1,378,401,538.95

Finding the Fourth Proportional to 3,619,230,467.22, 5,428,899,854.60 and 1,378,401,538.95

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Solution

The fourth proportional to 3,619,230,467.22, 5,428,899,854.60 and 1,378,401,538.95 is: 2,067,622,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,230,467.22 : 5,428,899,854.60 = 1,378,401,538.95 : x
  2. Step 2: Convert to fraction form
    3,619,230,467.22/5,428,899,854.60 = 1,378,401,538.95/x
  3. Step 3: Cross multiply
    3,619,230,467.22x = 5,428,899,854.60 × 1,378,401,538.95
  4. Step 4: Simplify right side
    3,619,230,467.22x = 7,483,203,914,379,180,032
  5. Step 5: Solve for x
    x = 7,483,203,914,379,180,032/3,619,230,467.22
  6. Step 6: Final answer
    x = 2,067,622,933.15

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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.