Home / 480,740,793.30-721,867,017.15-276,667,449.30

Finding the Fourth Proportional to 480,740,793.30, 721,867,017.15 and 276,667,449.30

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Solution

The fourth proportional to 480,740,793.30, 721,867,017.15 and 276,667,449.30 is: 415,436,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,740,793.30 : 721,867,017.15 = 276,667,449.30 : x
  2. Step 2: Convert to fraction form
    480,740,793.30/721,867,017.15 = 276,667,449.30/x
  3. Step 3: Cross multiply
    480,740,793.30x = 721,867,017.15 × 276,667,449.30
  4. Step 4: Simplify right side
    480,740,793.30x = 199,717,106,368,689,856
  5. Step 5: Solve for x
    x = 199,717,106,368,689,856/480,740,793.30
  6. Step 6: Final answer
    x = 415,436,154.27

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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.