Home / 560,504,997.90-840,757,496.85-191,917,449.35

Finding the Fourth Proportional to 560,504,997.90, 840,757,496.85 and 191,917,449.35

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Solution

The fourth proportional to 560,504,997.90, 840,757,496.85 and 191,917,449.35 is: 287,876,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,504,997.90 : 840,757,496.85 = 191,917,449.35 : x
  2. Step 2: Convert to fraction form
    560,504,997.90/840,757,496.85 = 191,917,449.35/x
  3. Step 3: Cross multiply
    560,504,997.90x = 840,757,496.85 × 191,917,449.35
  4. Step 4: Simplify right side
    560,504,997.90x = 161,356,034,313,138,880
  5. Step 5: Solve for x
    x = 161,356,034,313,138,880/560,504,997.90
  6. Step 6: Final answer
    x = 287,876,174.02

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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.