Home / 298,650,161,875.66-412,174,970,251.24-195,853,764,823.51

Finding the Fourth Proportional to 298,650,161,875.66, 412,174,970,251.24 and 195,853,764,823.51

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Solution

The fourth proportional to 298,650,161,875.66, 412,174,970,251.24 and 195,853,764,823.51 is: 270,302,949,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,650,161,875.66 : 412,174,970,251.24 = 195,853,764,823.51 : x
  2. Step 2: Convert to fraction form
    298,650,161,875.66/412,174,970,251.24 = 195,853,764,823.51/x
  3. Step 3: Cross multiply
    298,650,161,875.66x = 412,174,970,251.24 × 195,853,764,823.51
  4. Step 4: Simplify right side
    298,650,161,875.66x = 80,726,019,689,723,591,655,424
  5. Step 5: Solve for x
    x = 80,726,019,689,723,591,655,424/298,650,161,875.66
  6. Step 6: Final answer
    x = 270,302,949,721.26

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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.