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Finding the Fourth Proportional to 673,995,961.70, 1,010,993,942.55 and 265,065,452.90

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Solution

The fourth proportional to 673,995,961.70, 1,010,993,942.55 and 265,065,452.90 is: 397,598,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,995,961.70 : 1,010,993,942.55 = 265,065,452.90 : x
  2. Step 2: Convert to fraction form
    673,995,961.70/1,010,993,942.55 = 265,065,452.90/x
  3. Step 3: Cross multiply
    673,995,961.70x = 1,010,993,942.55 × 265,065,452.90
  4. Step 4: Simplify right side
    673,995,961.70x = 267,979,567,261,172,320
  5. Step 5: Solve for x
    x = 267,979,567,261,172,320/673,995,961.70
  6. Step 6: Final answer
    x = 397,598,179.35

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1.5x scale

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.