Home / 696,040,062.06-960,560,540.64-398,739,763.20

Finding the Fourth Proportional to 696,040,062.06, 960,560,540.64 and 398,739,763.20

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Solution

The fourth proportional to 696,040,062.06, 960,560,540.64 and 398,739,763.20 is: 550,275,341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,040,062.06 : 960,560,540.64 = 398,739,763.20 : x
  2. Step 2: Convert to fraction form
    696,040,062.06/960,560,540.64 = 398,739,763.20/x
  3. Step 3: Cross multiply
    696,040,062.06x = 960,560,540.64 × 398,739,763.20
  4. Step 4: Simplify right side
    696,040,062.06x = 383,013,682,514,057,536
  5. Step 5: Solve for x
    x = 383,013,682,514,057,536/696,040,062.06
  6. Step 6: Final answer
    x = 550,275,341.02

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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.