Home / 353,314,062.72-487,581,951.48-196,691,756.40

Finding the Fourth Proportional to 353,314,062.72, 487,581,951.48 and 196,691,756.40

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Solution

The fourth proportional to 353,314,062.72, 487,581,951.48 and 196,691,756.40 is: 271,439,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,314,062.72 : 487,581,951.48 = 196,691,756.40 : x
  2. Step 2: Convert to fraction form
    353,314,062.72/487,581,951.48 = 196,691,756.40/x
  3. Step 3: Cross multiply
    353,314,062.72x = 487,581,951.48 × 196,691,756.40
  4. Step 4: Simplify right side
    353,314,062.72x = 95,903,350,425,540,784
  5. Step 5: Solve for x
    x = 95,903,350,425,540,784/353,314,062.72
  6. Step 6: Final answer
    x = 271,439,380.84

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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.