Home / 2,867,668,834.20-4,301,503,251.30-1,979,949,787.80

Finding the Fourth Proportional to 2,867,668,834.20, 4,301,503,251.30 and 1,979,949,787.80

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Solution

The fourth proportional to 2,867,668,834.20, 4,301,503,251.30 and 1,979,949,787.80 is: 2,969,924,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,668,834.20 : 4,301,503,251.30 = 1,979,949,787.80 : x
  2. Step 2: Convert to fraction form
    2,867,668,834.20/4,301,503,251.30 = 1,979,949,787.80/x
  3. Step 3: Cross multiply
    2,867,668,834.20x = 4,301,503,251.30 × 1,979,949,787.80
  4. Step 4: Simplify right side
    2,867,668,834.20x = 8,516,760,449,632,445,440
  5. Step 5: Solve for x
    x = 8,516,760,449,632,445,440/2,867,668,834.20
  6. Step 6: Final answer
    x = 2,969,924,681.70

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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.