Home / 667,321,672.80-1,001,281,107.60-303,628,821.60

Finding the Fourth Proportional to 667,321,672.80, 1,001,281,107.60 and 303,628,821.60

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Solution

The fourth proportional to 667,321,672.80, 1,001,281,107.60 and 303,628,821.60 is: 455,579,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,321,672.80 : 1,001,281,107.60 = 303,628,821.60 : x
  2. Step 2: Convert to fraction form
    667,321,672.80/1,001,281,107.60 = 303,628,821.60/x
  3. Step 3: Cross multiply
    667,321,672.80x = 1,001,281,107.60 × 303,628,821.60
  4. Step 4: Simplify right side
    667,321,672.80x = 304,017,802,790,930,816
  5. Step 5: Solve for x
    x = 304,017,802,790,930,816/667,321,672.80
  6. Step 6: Final answer
    x = 455,579,093.54

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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.