Home / 2,867,668,291.20-4,301,502,436.80-1,979,949,244.80

Finding the Fourth Proportional to 2,867,668,291.20, 4,301,502,436.80 and 1,979,949,244.80

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Solution

The fourth proportional to 2,867,668,291.20, 4,301,502,436.80 and 1,979,949,244.80 is: 2,969,923,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,668,291.20 : 4,301,502,436.80 = 1,979,949,244.80 : x
  2. Step 2: Convert to fraction form
    2,867,668,291.20/4,301,502,436.80 = 1,979,949,244.80/x
  3. Step 3: Cross multiply
    2,867,668,291.20x = 4,301,502,436.80 × 1,979,949,244.80
  4. Step 4: Simplify right side
    2,867,668,291.20x = 8,516,756,501,247,519,744
  5. Step 5: Solve for x
    x = 8,516,756,501,247,519,744/2,867,668,291.20
  6. Step 6: Final answer
    x = 2,969,923,867.20

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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.