Home / 526,382,787.90-791,274,793.05-485,568,119.10

Finding the Fourth Proportional to 526,382,787.90, 791,274,793.05 and 485,568,119.10

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Solution

The fourth proportional to 526,382,787.90, 791,274,793.05 and 485,568,119.10 is: 729,920,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,382,787.90 : 791,274,793.05 = 485,568,119.10 : x
  2. Step 2: Convert to fraction form
    526,382,787.90/791,274,793.05 = 485,568,119.10/x
  3. Step 3: Cross multiply
    526,382,787.90x = 791,274,793.05 × 485,568,119.10
  4. Step 4: Simplify right side
    526,382,787.90x = 384,217,812,952,530,240
  5. Step 5: Solve for x
    x = 384,217,812,952,530,240/526,382,787.90
  6. Step 6: Final answer
    x = 729,920,927.86

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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.