Home / 444,611,120.40-666,438,383.70-168,155,512.20

Finding the Fourth Proportional to 444,611,120.40, 666,438,383.70 and 168,155,512.20

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Solution

The fourth proportional to 444,611,120.40, 666,438,383.70 and 168,155,512.20 is: 252,052,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,611,120.40 : 666,438,383.70 = 168,155,512.20 : x
  2. Step 2: Convert to fraction form
    444,611,120.40/666,438,383.70 = 168,155,512.20/x
  3. Step 3: Cross multiply
    444,611,120.40x = 666,438,383.70 × 168,155,512.20
  4. Step 4: Simplify right side
    444,611,120.40x = 112,065,287,760,813,632
  5. Step 5: Solve for x
    x = 112,065,287,760,813,632/444,611,120.40
  6. Step 6: Final answer
    x = 252,052,372.55

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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.