Home / 2,166,806,884.21-2,990,193,932.27-1,320,034,175.62

Finding the Fourth Proportional to 2,166,806,884.21, 2,990,193,932.27 and 1,320,034,175.62

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Solution

The fourth proportional to 2,166,806,884.21, 2,990,193,932.27 and 1,320,034,175.62 is: 1,821,647,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,806,884.21 : 2,990,193,932.27 = 1,320,034,175.62 : x
  2. Step 2: Convert to fraction form
    2,166,806,884.21/2,990,193,932.27 = 1,320,034,175.62/x
  3. Step 3: Cross multiply
    2,166,806,884.21x = 2,990,193,932.27 × 1,320,034,175.62
  4. Step 4: Simplify right side
    2,166,806,884.21x = 3,947,158,182,323,912,704
  5. Step 5: Solve for x
    x = 3,947,158,182,323,912,704/2,166,806,884.21
  6. Step 6: Final answer
    x = 1,821,647,425.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.