Home / 505,753,850.64-698,052,593.52-307,473,213.36

Finding the Fourth Proportional to 505,753,850.64, 698,052,593.52 and 307,473,213.36

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Solution

The fourth proportional to 505,753,850.64, 698,052,593.52 and 307,473,213.36 is: 424,381,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,753,850.64 : 698,052,593.52 = 307,473,213.36 : x
  2. Step 2: Convert to fraction form
    505,753,850.64/698,052,593.52 = 307,473,213.36/x
  3. Step 3: Cross multiply
    505,753,850.64x = 698,052,593.52 × 307,473,213.36
  4. Step 4: Simplify right side
    505,753,850.64x = 214,632,474,023,876,320
  5. Step 5: Solve for x
    x = 214,632,474,023,876,320/505,753,850.64
  6. Step 6: Final answer
    x = 424,381,294.88

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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.