Home / 1,638,806,462.20-2,458,209,693.30-1,466,619,578.20

Finding the Fourth Proportional to 1,638,806,462.20, 2,458,209,693.30 and 1,466,619,578.20

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Solution

The fourth proportional to 1,638,806,462.20, 2,458,209,693.30 and 1,466,619,578.20 is: 2,199,929,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,806,462.20 : 2,458,209,693.30 = 1,466,619,578.20 : x
  2. Step 2: Convert to fraction form
    1,638,806,462.20/2,458,209,693.30 = 1,466,619,578.20/x
  3. Step 3: Cross multiply
    1,638,806,462.20x = 2,458,209,693.30 × 1,466,619,578.20
  4. Step 4: Simplify right side
    1,638,806,462.20x = 3,605,258,463,514,797,568
  5. Step 5: Solve for x
    x = 3,605,258,463,514,797,568/1,638,806,462.20
  6. Step 6: Final answer
    x = 2,199,929,367.30

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Double scale
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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.