Home / 823,609,178.43-1,235,412,776.19-210,193,469.79

Finding the Fourth Proportional to 823,609,178.43, 1,235,412,776.19 and 210,193,469.79

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Solution

The fourth proportional to 823,609,178.43, 1,235,412,776.19 and 210,193,469.79 is: 315,289,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,609,178.43 : 1,235,412,776.19 = 210,193,469.79 : x
  2. Step 2: Convert to fraction form
    823,609,178.43/1,235,412,776.19 = 210,193,469.79/x
  3. Step 3: Cross multiply
    823,609,178.43x = 1,235,412,776.19 × 210,193,469.79
  4. Step 4: Simplify right side
    823,609,178.43x = 259,675,698,050,272,800
  5. Step 5: Solve for x
    x = 259,675,698,050,272,800/823,609,178.43
  6. Step 6: Final answer
    x = 315,289,951.66

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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.