Home / 3,931,662,488.05-5,425,661,989.38-2,147,517,078.85

Finding the Fourth Proportional to 3,931,662,488.05, 5,425,661,989.38 and 2,147,517,078.85

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Solution

The fourth proportional to 3,931,662,488.05, 5,425,661,989.38 and 2,147,517,078.85 is: 2,963,555,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,662,488.05 : 5,425,661,989.38 = 2,147,517,078.85 : x
  2. Step 2: Convert to fraction form
    3,931,662,488.05/5,425,661,989.38 = 2,147,517,078.85/x
  3. Step 3: Cross multiply
    3,931,662,488.05x = 5,425,661,989.38 × 2,147,517,078.85
  4. Step 4: Simplify right side
    3,931,662,488.05x = 11,651,701,786,260,817,920
  5. Step 5: Solve for x
    x = 11,651,701,786,260,817,920/3,931,662,488.05
  6. Step 6: Final answer
    x = 2,963,555,956.72

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1.5x scale

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.