Home / 823,609,205.80-1,235,412,817.26-210,193,497.16

Finding the Fourth Proportional to 823,609,205.80, 1,235,412,817.26 and 210,193,497.16

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Solution

The fourth proportional to 823,609,205.80, 1,235,412,817.26 and 210,193,497.16 is: 315,289,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,609,205.80 : 1,235,412,817.26 = 210,193,497.16 : x
  2. Step 2: Convert to fraction form
    823,609,205.80/1,235,412,817.26 = 210,193,497.16/x
  3. Step 3: Cross multiply
    823,609,205.80x = 1,235,412,817.26 × 210,193,497.16
  4. Step 4: Simplify right side
    823,609,205.80x = 259,675,740,496,167,392
  5. Step 5: Solve for x
    x = 259,675,740,496,167,392/823,609,205.80
  6. Step 6: Final answer
    x = 315,289,992.71

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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.