Home / 481,162,155.52-664,004,415.36-261,145,581.52

Finding the Fourth Proportional to 481,162,155.52, 664,004,415.36 and 261,145,581.52

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Solution

The fourth proportional to 481,162,155.52, 664,004,415.36 and 261,145,581.52 is: 360,381,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,162,155.52 : 664,004,415.36 = 261,145,581.52 : x
  2. Step 2: Convert to fraction form
    481,162,155.52/664,004,415.36 = 261,145,581.52/x
  3. Step 3: Cross multiply
    481,162,155.52x = 664,004,415.36 × 261,145,581.52
  4. Step 4: Simplify right side
    481,162,155.52x = 173,401,819,181,034,816
  5. Step 5: Solve for x
    x = 173,401,819,181,034,816/481,162,155.52
  6. Step 6: Final answer
    x = 360,381,250.25

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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.