Home / 394,524,435.71-543,998,182.52-295,086,509.39

Finding the Fourth Proportional to 394,524,435.71, 543,998,182.52 and 295,086,509.39

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Solution

The fourth proportional to 394,524,435.71, 543,998,182.52 and 295,086,509.39 is: 406,886,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,524,435.71 : 543,998,182.52 = 295,086,509.39 : x
  2. Step 2: Convert to fraction form
    394,524,435.71/543,998,182.52 = 295,086,509.39/x
  3. Step 3: Cross multiply
    394,524,435.71x = 543,998,182.52 × 295,086,509.39
  4. Step 4: Simplify right side
    394,524,435.71x = 160,526,524,792,855,456
  5. Step 5: Solve for x
    x = 160,526,524,792,855,456/394,524,435.71
  6. Step 6: Final answer
    x = 406,886,140.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.