Home / 402,002,105.10-603,003,157.65-264,252,597.90

Finding the Fourth Proportional to 402,002,105.10, 603,003,157.65 and 264,252,597.90

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Solution

The fourth proportional to 402,002,105.10, 603,003,157.65 and 264,252,597.90 is: 396,378,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,002,105.10 : 603,003,157.65 = 264,252,597.90 : x
  2. Step 2: Convert to fraction form
    402,002,105.10/603,003,157.65 = 264,252,597.90/x
  3. Step 3: Cross multiply
    402,002,105.10x = 603,003,157.65 × 264,252,597.90
  4. Step 4: Simplify right side
    402,002,105.10x = 159,345,150,950,915,744
  5. Step 5: Solve for x
    x = 159,345,150,950,915,744/402,002,105.10
  6. Step 6: Final answer
    x = 396,378,896.85

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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.