Home / 375,530,156.72-563,179,945.91-259,689,917.15

Finding the Fourth Proportional to 375,530,156.72, 563,179,945.91 and 259,689,917.15

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Solution

The fourth proportional to 375,530,156.72, 563,179,945.91 and 259,689,917.15 is: 389,455,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,530,156.72 : 563,179,945.91 = 259,689,917.15 : x
  2. Step 2: Convert to fraction form
    375,530,156.72/563,179,945.91 = 259,689,917.15/x
  3. Step 3: Cross multiply
    375,530,156.72x = 563,179,945.91 × 259,689,917.15
  4. Step 4: Simplify right side
    375,530,156.72x = 146,252,153,489,795,040
  5. Step 5: Solve for x
    x = 146,252,153,489,795,040/375,530,156.72
  6. Step 6: Final answer
    x = 389,455,149.94

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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.