Home / 465,682,889.29-698,620,740.66-189,334,150.54

Finding the Fourth Proportional to 465,682,889.29, 698,620,740.66 and 189,334,150.54

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Solution

The fourth proportional to 465,682,889.29, 698,620,740.66 and 189,334,150.54 is: 284,040,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,682,889.29 : 698,620,740.66 = 189,334,150.54 : x
  2. Step 2: Convert to fraction form
    465,682,889.29/698,620,740.66 = 189,334,150.54/x
  3. Step 3: Cross multiply
    465,682,889.29x = 698,620,740.66 × 189,334,150.54
  4. Step 4: Simplify right side
    465,682,889.29x = 132,272,764,482,486,720
  5. Step 5: Solve for x
    x = 132,272,764,482,486,720/465,682,889.29
  6. Step 6: Final answer
    x = 284,040,422.19

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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.