Home / 545,135,067.70-817,404,003.15-221,653,467.70

Finding the Fourth Proportional to 545,135,067.70, 817,404,003.15 and 221,653,467.70

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Solution

The fourth proportional to 545,135,067.70, 817,404,003.15 and 221,653,467.70 is: 332,358,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,135,067.70 : 817,404,003.15 = 221,653,467.70 : x
  2. Step 2: Convert to fraction form
    545,135,067.70/817,404,003.15 = 221,653,467.70/x
  3. Step 3: Cross multiply
    545,135,067.70x = 817,404,003.15 × 221,653,467.70
  4. Step 4: Simplify right side
    545,135,067.70x = 181,180,431,810,059,200
  5. Step 5: Solve for x
    x = 181,180,431,810,059,200/545,135,067.70
  6. Step 6: Final answer
    x = 332,358,790.59

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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.