Home / 690,372,519.76-952,714,040.82-372,832,735.11

Finding the Fourth Proportional to 690,372,519.76, 952,714,040.82 and 372,832,735.11

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Solution

The fourth proportional to 690,372,519.76, 952,714,040.82 and 372,832,735.11 is: 514,509,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,372,519.76 : 952,714,040.82 = 372,832,735.11 : x
  2. Step 2: Convert to fraction form
    690,372,519.76/952,714,040.82 = 372,832,735.11/x
  3. Step 3: Cross multiply
    690,372,519.76x = 952,714,040.82 × 372,832,735.11
  4. Step 4: Simplify right side
    690,372,519.76x = 355,202,981,613,739,456
  5. Step 5: Solve for x
    x = 355,202,981,613,739,456/690,372,519.76
  6. Step 6: Final answer
    x = 514,509,154.77

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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.