Home / 265,324,653,678.70-397,986,980,518.05-218,214,322,216.30

Finding the Fourth Proportional to 265,324,653,678.70, 397,986,980,518.05 and 218,214,322,216.30

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Solution

The fourth proportional to 265,324,653,678.70, 397,986,980,518.05 and 218,214,322,216.30 is: 327,321,483,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,324,653,678.70 : 397,986,980,518.05 = 218,214,322,216.30 : x
  2. Step 2: Convert to fraction form
    265,324,653,678.70/397,986,980,518.05 = 218,214,322,216.30/x
  3. Step 3: Cross multiply
    265,324,653,678.70x = 397,986,980,518.05 × 218,214,322,216.30
  4. Step 4: Simplify right side
    265,324,653,678.70x = 86,846,459,204,658,058,493,952
  5. Step 5: Solve for x
    x = 86,846,459,204,658,058,493,952/265,324,653,678.70
  6. Step 6: Final answer
    x = 327,321,483,324.45

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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.