Home / 578,379,658.72-798,135,190.32-327,445,028.32

Finding the Fourth Proportional to 578,379,658.72, 798,135,190.32 and 327,445,028.32

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Solution

The fourth proportional to 578,379,658.72, 798,135,190.32 and 327,445,028.32 is: 451,857,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,379,658.72 : 798,135,190.32 = 327,445,028.32 : x
  2. Step 2: Convert to fraction form
    578,379,658.72/798,135,190.32 = 327,445,028.32/x
  3. Step 3: Cross multiply
    578,379,658.72x = 798,135,190.32 × 327,445,028.32
  4. Step 4: Simplify right side
    578,379,658.72x = 261,345,399,997,520,992
  5. Step 5: Solve for x
    x = 261,345,399,997,520,992/578,379,658.72
  6. Step 6: Final answer
    x = 451,857,868.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.