Home / 823,609,179.93-1,235,412,778.44-210,193,471.29

Finding the Fourth Proportional to 823,609,179.93, 1,235,412,778.44 and 210,193,471.29

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Solution

The fourth proportional to 823,609,179.93, 1,235,412,778.44 and 210,193,471.29 is: 315,289,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,609,179.93 : 1,235,412,778.44 = 210,193,471.29 : x
  2. Step 2: Convert to fraction form
    823,609,179.93/1,235,412,778.44 = 210,193,471.29/x
  3. Step 3: Cross multiply
    823,609,179.93x = 1,235,412,778.44 × 210,193,471.29
  4. Step 4: Simplify right side
    823,609,179.93x = 259,675,700,376,327,264
  5. Step 5: Solve for x
    x = 259,675,700,376,327,264/823,609,179.93
  6. Step 6: Final answer
    x = 315,289,953.91

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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.