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Finding the Fourth Proportional to 755,328,922.40, 1,131,201,793.20 and 755,328,922.40

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Solution

The fourth proportional to 755,328,922.40, 1,131,201,793.20 and 755,328,922.40 is: 1,131,201,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,328,922.40 : 1,131,201,793.20 = 755,328,922.40 : x
  2. Step 2: Convert to fraction form
    755,328,922.40/1,131,201,793.20 = 755,328,922.40/x
  3. Step 3: Cross multiply
    755,328,922.40x = 1,131,201,793.20 × 755,328,922.40
  4. Step 4: Simplify right side
    755,328,922.40x = 854,429,431,474,703,616
  5. Step 5: Solve for x
    x = 854,429,431,474,703,616/755,328,922.40
  6. Step 6: Final answer
    x = 1,131,201,793.20

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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.