Home / 696,040,063.32-960,560,542.37-398,739,764.46

Finding the Fourth Proportional to 696,040,063.32, 960,560,542.37 and 398,739,764.46

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Solution

The fourth proportional to 696,040,063.32, 960,560,542.37 and 398,739,764.46 is: 550,275,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,040,063.32 : 960,560,542.37 = 398,739,764.46 : x
  2. Step 2: Convert to fraction form
    696,040,063.32/960,560,542.37 = 398,739,764.46/x
  3. Step 3: Cross multiply
    696,040,063.32x = 960,560,542.37 × 398,739,764.46
  4. Step 4: Simplify right side
    696,040,063.32x = 383,013,684,412,189,952
  5. Step 5: Solve for x
    x = 383,013,684,412,189,952/696,040,063.32
  6. Step 6: Final answer
    x = 550,275,342.75

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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.