Home / 481,258,279.68-664,137,267.84-261,241,854.72

Finding the Fourth Proportional to 481,258,279.68, 664,137,267.84 and 261,241,854.72

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Solution

The fourth proportional to 481,258,279.68, 664,137,267.84 and 261,241,854.72 is: 360,514,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,258,279.68 : 664,137,267.84 = 261,241,854.72 : x
  2. Step 2: Convert to fraction form
    481,258,279.68/664,137,267.84 = 261,241,854.72/x
  3. Step 3: Cross multiply
    481,258,279.68x = 664,137,267.84 × 261,241,854.72
  4. Step 4: Simplify right side
    481,258,279.68x = 173,500,451,639,195,008
  5. Step 5: Solve for x
    x = 173,500,451,639,195,008/481,258,279.68
  6. Step 6: Final answer
    x = 360,514,216.51

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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.