Home / 2,143,532,443.59-3,215,944,374.39-669,612,716.55

Finding the Fourth Proportional to 2,143,532,443.59, 3,215,944,374.39 and 669,612,716.55

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Solution

The fourth proportional to 2,143,532,443.59, 3,215,944,374.39 and 669,612,716.55 is: 1,004,620,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,532,443.59 : 3,215,944,374.39 = 669,612,716.55 : x
  2. Step 2: Convert to fraction form
    2,143,532,443.59/3,215,944,374.39 = 669,612,716.55/x
  3. Step 3: Cross multiply
    2,143,532,443.59x = 3,215,944,374.39 × 669,612,716.55
  4. Step 4: Simplify right side
    2,143,532,443.59x = 2,153,437,248,808,977,920
  5. Step 5: Solve for x
    x = 2,153,437,248,808,977,920/2,143,532,443.59
  6. Step 6: Final answer
    x = 1,004,620,786.24

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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.