Home / 667,040,245.56-920,515,626.12-369,701,684.02

Finding the Fourth Proportional to 667,040,245.56, 920,515,626.12 and 369,701,684.02

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Solution

The fourth proportional to 667,040,245.56, 920,515,626.12 and 369,701,684.02 is: 510,188,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,040,245.56 : 920,515,626.12 = 369,701,684.02 : x
  2. Step 2: Convert to fraction form
    667,040,245.56/920,515,626.12 = 369,701,684.02/x
  3. Step 3: Cross multiply
    667,040,245.56x = 920,515,626.12 × 369,701,684.02
  4. Step 4: Simplify right side
    667,040,245.56x = 340,316,177,143,288,704
  5. Step 5: Solve for x
    x = 340,316,177,143,288,704/667,040,245.56
  6. Step 6: Final answer
    x = 510,188,372.30

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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.