Home / 265,324,653,679.70-397,986,980,519.55-218,214,322,217.30

Finding the Fourth Proportional to 265,324,653,679.70, 397,986,980,519.55 and 218,214,322,217.30

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Solution

The fourth proportional to 265,324,653,679.70, 397,986,980,519.55 and 218,214,322,217.30 is: 327,321,483,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,324,653,679.70 : 397,986,980,519.55 = 218,214,322,217.30 : x
  2. Step 2: Convert to fraction form
    265,324,653,679.70/397,986,980,519.55 = 218,214,322,217.30/x
  3. Step 3: Cross multiply
    265,324,653,679.70x = 397,986,980,519.55 × 218,214,322,217.30
  4. Step 4: Simplify right side
    265,324,653,679.70x = 86,846,459,205,383,371,096,064
  5. Step 5: Solve for x
    x = 86,846,459,205,383,371,096,064/265,324,653,679.70
  6. Step 6: Final answer
    x = 327,321,483,325.95

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1.5x scale

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.