Home / 754,382,242.80-1,131,573,364.20-663,682,978.80

Finding the Fourth Proportional to 754,382,242.80, 1,131,573,364.20 and 663,682,978.80

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Solution

The fourth proportional to 754,382,242.80, 1,131,573,364.20 and 663,682,978.80 is: 995,524,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,382,242.80 : 1,131,573,364.20 = 663,682,978.80 : x
  2. Step 2: Convert to fraction form
    754,382,242.80/1,131,573,364.20 = 663,682,978.80/x
  3. Step 3: Cross multiply
    754,382,242.80x = 1,131,573,364.20 × 663,682,978.80
  4. Step 4: Simplify right side
    754,382,242.80x = 751,005,981,082,993,280
  5. Step 5: Solve for x
    x = 751,005,981,082,993,280/754,382,242.80
  6. Step 6: Final answer
    x = 995,524,468.20

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Double scale
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Similar ratio
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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.