Home / 486,474,900.72-671,327,067-263,454,771.12

Finding the Fourth Proportional to 486,474,900.72, 671,327,067 and 263,454,771.12

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Solution

The fourth proportional to 486,474,900.72, 671,327,067 and 263,454,771.12 is: 363,563,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,474,900.72 : 671,327,067 = 263,454,771.12 : x
  2. Step 2: Convert to fraction form
    486,474,900.72/671,327,067 = 263,454,771.12/x
  3. Step 3: Cross multiply
    486,474,900.72x = 671,327,067 × 263,454,771.12
  4. Step 4: Simplify right side
    486,474,900.72x = 176,864,318,783,145,920
  5. Step 5: Solve for x
    x = 176,864,318,783,145,920/486,474,900.72
  6. Step 6: Final answer
    x = 363,563,091.38

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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.