Home / 481,258,286.68-664,137,277.50-261,241,861.72

Finding the Fourth Proportional to 481,258,286.68, 664,137,277.50 and 261,241,861.72

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Solution

The fourth proportional to 481,258,286.68, 664,137,277.50 and 261,241,861.72 is: 360,514,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,258,286.68 : 664,137,277.50 = 261,241,861.72 : x
  2. Step 2: Convert to fraction form
    481,258,286.68/664,137,277.50 = 261,241,861.72/x
  3. Step 3: Cross multiply
    481,258,286.68x = 664,137,277.50 × 261,241,861.72
  4. Step 4: Simplify right side
    481,258,286.68x = 173,500,458,811,752,256
  5. Step 5: Solve for x
    x = 173,500,458,811,752,256/481,258,286.68
  6. Step 6: Final answer
    x = 360,514,226.17

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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.