Home / 672,708,979,180.08-928,344,179,600.96-383,691,871,825.20

Finding the Fourth Proportional to 672,708,979,180.08, 928,344,179,600.96 and 383,691,871,825.20

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Solution

The fourth proportional to 672,708,979,180.08, 928,344,179,600.96 and 383,691,871,825.20 is: 529,498,084,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,708,979,180.08 : 928,344,179,600.96 = 383,691,871,825.20 : x
  2. Step 2: Convert to fraction form
    672,708,979,180.08/928,344,179,600.96 = 383,691,871,825.20/x
  3. Step 3: Cross multiply
    672,708,979,180.08x = 928,344,179,600.96 × 383,691,871,825.20
  4. Step 4: Simplify right side
    672,708,979,180.08x = 356,198,115,969,122,007,252,992
  5. Step 5: Solve for x
    x = 356,198,115,969,122,007,252,992/672,708,979,180.08
  6. Step 6: Final answer
    x = 529,498,084,600.07

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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.