Home / 690,372,530.44-952,714,055.57-372,832,745.78

Finding the Fourth Proportional to 690,372,530.44, 952,714,055.57 and 372,832,745.78

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Solution

The fourth proportional to 690,372,530.44, 952,714,055.57 and 372,832,745.78 is: 514,509,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,372,530.44 : 952,714,055.57 = 372,832,745.78 : x
  2. Step 2: Convert to fraction form
    690,372,530.44/952,714,055.57 = 372,832,745.78/x
  3. Step 3: Cross multiply
    690,372,530.44x = 952,714,055.57 × 372,832,745.78
  4. Step 4: Simplify right side
    690,372,530.44x = 355,202,997,279,498,432
  5. Step 5: Solve for x
    x = 355,202,997,279,498,432/690,372,530.44
  6. Step 6: Final answer
    x = 514,509,169.50

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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.