Home / 312,854,874-469,282,311.68-166,846,083.52

Finding the Fourth Proportional to 312,854,874, 469,282,311.68 and 166,846,083.52

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Solution

The fourth proportional to 312,854,874, 469,282,311.68 and 166,846,083.52 is: 250,269,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,854,874 : 469,282,311.68 = 166,846,083.52 : x
  2. Step 2: Convert to fraction form
    312,854,874/469,282,311.68 = 166,846,083.52/x
  3. Step 3: Cross multiply
    312,854,874x = 469,282,311.68 × 166,846,083.52
  4. Step 4: Simplify right side
    312,854,874x = 78,297,915,769,019,952
  5. Step 5: Solve for x
    x = 78,297,915,769,019,952/312,854,874
  6. Step 6: Final answer
    x = 250,269,125.64

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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.