Home / 823,609,317.56-1,235,412,984.89-210,193,608.92

Finding the Fourth Proportional to 823,609,317.56, 1,235,412,984.89 and 210,193,608.92

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Solution

The fourth proportional to 823,609,317.56, 1,235,412,984.89 and 210,193,608.92 is: 315,290,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,609,317.56 : 1,235,412,984.89 = 210,193,608.92 : x
  2. Step 2: Convert to fraction form
    823,609,317.56/1,235,412,984.89 = 210,193,608.92/x
  3. Step 3: Cross multiply
    823,609,317.56x = 1,235,412,984.89 × 210,193,608.92
  4. Step 4: Simplify right side
    823,609,317.56x = 259,675,913,795,006,912
  5. Step 5: Solve for x
    x = 259,675,913,795,006,912/823,609,317.56
  6. Step 6: Final answer
    x = 315,290,160.35

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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.