Home / 347,667,327.20-520,745,163.60-211,114,546.40

Finding the Fourth Proportional to 347,667,327.20, 520,745,163.60 and 211,114,546.40

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Solution

The fourth proportional to 347,667,327.20, 520,745,163.60 and 211,114,546.40 is: 316,212,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,667,327.20 : 520,745,163.60 = 211,114,546.40 : x
  2. Step 2: Convert to fraction form
    347,667,327.20/520,745,163.60 = 211,114,546.40/x
  3. Step 3: Cross multiply
    347,667,327.20x = 520,745,163.60 × 211,114,546.40
  4. Step 4: Simplify right side
    347,667,327.20x = 109,936,879,003,407,792
  5. Step 5: Solve for x
    x = 109,936,879,003,407,792/347,667,327.20
  6. Step 6: Final answer
    x = 316,212,857.53

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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.