Home / 823,609,171.31-1,235,412,765.50-210,193,462.67

Finding the Fourth Proportional to 823,609,171.31, 1,235,412,765.50 and 210,193,462.67

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Solution

The fourth proportional to 823,609,171.31, 1,235,412,765.50 and 210,193,462.67 is: 315,289,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,609,171.31 : 1,235,412,765.50 = 210,193,462.67 : x
  2. Step 2: Convert to fraction form
    823,609,171.31/1,235,412,765.50 = 210,193,462.67/x
  3. Step 3: Cross multiply
    823,609,171.31x = 1,235,412,765.50 × 210,193,462.67
  4. Step 4: Simplify right side
    823,609,171.31x = 259,675,686,999,937,664
  5. Step 5: Solve for x
    x = 259,675,686,999,937,664/823,609,171.31
  6. Step 6: Final answer
    x = 315,289,940.97

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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.