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Finding the Fourth Proportional to 682,757,145.90, 1,024,135,718.85 and 682,757,145.90

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Solution

The fourth proportional to 682,757,145.90, 1,024,135,718.85 and 682,757,145.90 is: 1,024,135,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,757,145.90 : 1,024,135,718.85 = 682,757,145.90 : x
  2. Step 2: Convert to fraction form
    682,757,145.90/1,024,135,718.85 = 682,757,145.90/x
  3. Step 3: Cross multiply
    682,757,145.90x = 1,024,135,718.85 × 682,757,145.90
  4. Step 4: Simplify right side
    682,757,145.90x = 699,235,980,416,270,848
  5. Step 5: Solve for x
    x = 699,235,980,416,270,848/682,757,145.90
  6. Step 6: Final answer
    x = 1,024,135,718.85

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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.