Home / 1,508,340,676.38-2,261,043,668.25-721,189,775.22

Finding the Fourth Proportional to 1,508,340,676.38, 2,261,043,668.25 and 721,189,775.22

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Solution

The fourth proportional to 1,508,340,676.38, 2,261,043,668.25 and 721,189,775.22 is: 1,081,083,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,340,676.38 : 2,261,043,668.25 = 721,189,775.22 : x
  2. Step 2: Convert to fraction form
    1,508,340,676.38/2,261,043,668.25 = 721,189,775.22/x
  3. Step 3: Cross multiply
    1,508,340,676.38x = 2,261,043,668.25 × 721,189,775.22
  4. Step 4: Simplify right side
    1,508,340,676.38x = 1,630,641,574,867,821,824
  5. Step 5: Solve for x
    x = 1,630,641,574,867,821,824/1,508,340,676.38
  6. Step 6: Final answer
    x = 1,081,083,073.87

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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.