Home / 220,313,359,577.42-330,620,993,435.66-76,892,387,785.10

Finding the Fourth Proportional to 220,313,359,577.42, 330,620,993,435.66 and 76,892,387,785.10

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Solution

The fourth proportional to 220,313,359,577.42, 330,620,993,435.66 and 76,892,387,785.10 is: 115,391,266,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,313,359,577.42 : 330,620,993,435.66 = 76,892,387,785.10 : x
  2. Step 2: Convert to fraction form
    220,313,359,577.42/330,620,993,435.66 = 76,892,387,785.10/x
  3. Step 3: Cross multiply
    220,313,359,577.42x = 330,620,993,435.66 × 76,892,387,785.10
  4. Step 4: Simplify right side
    220,313,359,577.42x = 25,422,237,637,149,770,907,648
  5. Step 5: Solve for x
    x = 25,422,237,637,149,770,907,648/220,313,359,577.42
  6. Step 6: Final answer
    x = 115,391,266,720.78

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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.