Home / 265,324,653,675.20-397,986,980,512.80-218,214,322,212.80

Finding the Fourth Proportional to 265,324,653,675.20, 397,986,980,512.80 and 218,214,322,212.80

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Solution

The fourth proportional to 265,324,653,675.20, 397,986,980,512.80 and 218,214,322,212.80 is: 327,321,483,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,324,653,675.20 : 397,986,980,512.80 = 218,214,322,212.80 : x
  2. Step 2: Convert to fraction form
    265,324,653,675.20/397,986,980,512.80 = 218,214,322,212.80/x
  3. Step 3: Cross multiply
    265,324,653,675.20x = 397,986,980,512.80 × 218,214,322,212.80
  4. Step 4: Simplify right side
    265,324,653,675.20x = 86,846,459,202,119,481,163,776
  5. Step 5: Solve for x
    x = 86,846,459,202,119,481,163,776/265,324,653,675.20
  6. Step 6: Final answer
    x = 327,321,483,319.20

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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.