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Finding the Fourth Proportional to 479,682,768.15, 719,524,152.23 and 479,682,768.15

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Solution

The fourth proportional to 479,682,768.15, 719,524,152.23 and 479,682,768.15 is: 719,524,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,682,768.15 : 719,524,152.23 = 479,682,768.15 : x
  2. Step 2: Convert to fraction form
    479,682,768.15/719,524,152.23 = 479,682,768.15/x
  3. Step 3: Cross multiply
    479,682,768.15x = 719,524,152.23 × 479,682,768.15
  4. Step 4: Simplify right side
    479,682,768.15x = 345,143,337,090,069,952
  5. Step 5: Solve for x
    x = 345,143,337,090,069,952/479,682,768.15
  6. Step 6: Final answer
    x = 719,524,152.23

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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.