Home / 526,529,540.70-789,794,311.05-254,431,748.70

Finding the Fourth Proportional to 526,529,540.70, 789,794,311.05 and 254,431,748.70

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Solution

The fourth proportional to 526,529,540.70, 789,794,311.05 and 254,431,748.70 is: 381,647,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,529,540.70 : 789,794,311.05 = 254,431,748.70 : x
  2. Step 2: Convert to fraction form
    526,529,540.70/789,794,311.05 = 254,431,748.70/x
  3. Step 3: Cross multiply
    526,529,540.70x = 789,794,311.05 × 254,431,748.70
  4. Step 4: Simplify right side
    526,529,540.70x = 200,948,747,673,763,200
  5. Step 5: Solve for x
    x = 200,948,747,673,763,200/526,529,540.70
  6. Step 6: Final answer
    x = 381,647,623.05

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1.5x scale

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.