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Finding the Fourth Proportional to 754,191,245.40, 1,131,286,868.10 and 754,191,245.40

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Solution

The fourth proportional to 754,191,245.40, 1,131,286,868.10 and 754,191,245.40 is: 1,131,286,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,191,245.40 : 1,131,286,868.10 = 754,191,245.40 : x
  2. Step 2: Convert to fraction form
    754,191,245.40/1,131,286,868.10 = 754,191,245.40/x
  3. Step 3: Cross multiply
    754,191,245.40x = 1,131,286,868.10 × 754,191,245.40
  4. Step 4: Simplify right side
    754,191,245.40x = 853,206,651,957,004,416
  5. Step 5: Solve for x
    x = 853,206,651,957,004,416/754,191,245.40
  6. Step 6: Final answer
    x = 1,131,286,868.10

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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.