Home / 327,492,712.20-491,097,350.70-133,339,600.20

Finding the Fourth Proportional to 327,492,712.20, 491,097,350.70 and 133,339,600.20

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Solution

The fourth proportional to 327,492,712.20, 491,097,350.70 and 133,339,600.20 is: 199,951,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,492,712.20 : 491,097,350.70 = 133,339,600.20 : x
  2. Step 2: Convert to fraction form
    327,492,712.20/491,097,350.70 = 133,339,600.20/x
  3. Step 3: Cross multiply
    327,492,712.20x = 491,097,350.70 × 133,339,600.20
  4. Step 4: Simplify right side
    327,492,712.20x = 65,482,724,401,617,192
  5. Step 5: Solve for x
    x = 65,482,724,401,617,192/327,492,712.20
  6. Step 6: Final answer
    x = 199,951,699.57

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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.