Home / 378,714,709.10-567,115,469.85-248,617,952.30

Finding the Fourth Proportional to 378,714,709.10, 567,115,469.85 and 248,617,952.30

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Solution

The fourth proportional to 378,714,709.10, 567,115,469.85 and 248,617,952.30 is: 372,298,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,714,709.10 : 567,115,469.85 = 248,617,952.30 : x
  2. Step 2: Convert to fraction form
    378,714,709.10/567,115,469.85 = 248,617,952.30/x
  3. Step 3: Cross multiply
    378,714,709.10x = 567,115,469.85 × 248,617,952.30
  4. Step 4: Simplify right side
    378,714,709.10x = 140,995,086,831,759,408
  5. Step 5: Solve for x
    x = 140,995,086,831,759,408/378,714,709.10
  6. Step 6: Final answer
    x = 372,298,945.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.