Home / 330,700,028.82-456,133,693.77-217,633,496.76

Finding the Fourth Proportional to 330,700,028.82, 456,133,693.77 and 217,633,496.76

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Solution

The fourth proportional to 330,700,028.82, 456,133,693.77 and 217,633,496.76 is: 300,181,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,700,028.82 : 456,133,693.77 = 217,633,496.76 : x
  2. Step 2: Convert to fraction form
    330,700,028.82/456,133,693.77 = 217,633,496.76/x
  3. Step 3: Cross multiply
    330,700,028.82x = 456,133,693.77 × 217,633,496.76
  4. Step 4: Simplify right side
    330,700,028.82x = 99,269,970,765,220,112
  5. Step 5: Solve for x
    x = 99,269,970,765,220,112/330,700,028.82
  6. Step 6: Final answer
    x = 300,181,318.76

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1.5x scale

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.