Home / 654,220,525.77-981,339,336.32-217,521,209.97

Finding the Fourth Proportional to 654,220,525.77, 981,339,336.32 and 217,521,209.97

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Solution

The fourth proportional to 654,220,525.77, 981,339,336.32 and 217,521,209.97 is: 326,284,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,220,525.77 : 981,339,336.32 = 217,521,209.97 : x
  2. Step 2: Convert to fraction form
    654,220,525.77/981,339,336.32 = 217,521,209.97/x
  3. Step 3: Cross multiply
    654,220,525.77x = 981,339,336.32 × 217,521,209.97
  4. Step 4: Simplify right side
    654,220,525.77x = 213,462,119,826,395,584
  5. Step 5: Solve for x
    x = 213,462,119,826,395,584/654,220,525.77
  6. Step 6: Final answer
    x = 326,284,656.96

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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.