Home / 353,195,791.27-487,405,434.24-196,562,856.74

Finding the Fourth Proportional to 353,195,791.27, 487,405,434.24 and 196,562,856.74

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Solution

The fourth proportional to 353,195,791.27, 487,405,434.24 and 196,562,856.74 is: 271,254,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,195,791.27 : 487,405,434.24 = 196,562,856.74 : x
  2. Step 2: Convert to fraction form
    353,195,791.27/487,405,434.24 = 196,562,856.74/x
  3. Step 3: Cross multiply
    353,195,791.27x = 487,405,434.24 × 196,562,856.74
  4. Step 4: Simplify right side
    353,195,791.27x = 95,805,804,542,377,600
  5. Step 5: Solve for x
    x = 95,805,804,542,377,600/353,195,791.27
  6. Step 6: Final answer
    x = 271,254,094.50

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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.