Home / 654,220,482.19-981,339,270.96-217,521,166.34

Finding the Fourth Proportional to 654,220,482.19, 981,339,270.96 and 217,521,166.34

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Solution

The fourth proportional to 654,220,482.19, 981,339,270.96 and 217,521,166.34 is: 326,284,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,220,482.19 : 981,339,270.96 = 217,521,166.34 : x
  2. Step 2: Convert to fraction form
    654,220,482.19/981,339,270.96 = 217,521,166.34/x
  3. Step 3: Cross multiply
    654,220,482.19x = 981,339,270.96 × 217,521,166.34
  4. Step 4: Simplify right side
    654,220,482.19x = 213,462,062,797,733,536
  5. Step 5: Solve for x
    x = 213,462,062,797,733,536/654,220,482.19
  6. Step 6: Final answer
    x = 326,284,591.52

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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.