Home / 690,372,523.57-952,714,046.09-372,832,738.92

Finding the Fourth Proportional to 690,372,523.57, 952,714,046.09 and 372,832,738.92

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Solution

The fourth proportional to 690,372,523.57, 952,714,046.09 and 372,832,738.92 is: 514,509,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,372,523.57 : 952,714,046.09 = 372,832,738.92 : x
  2. Step 2: Convert to fraction form
    690,372,523.57/952,714,046.09 = 372,832,738.92/x
  3. Step 3: Cross multiply
    690,372,523.57x = 952,714,046.09 × 372,832,738.92
  4. Step 4: Simplify right side
    690,372,523.57x = 355,202,987,211,289,856
  5. Step 5: Solve for x
    x = 355,202,987,211,289,856/690,372,523.57
  6. Step 6: Final answer
    x = 514,509,160.03

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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.