Home / 2,231,074,969.38-3,347,021,059.43-920,261,958.30

Finding the Fourth Proportional to 2,231,074,969.38, 3,347,021,059.43 and 920,261,958.30

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Solution

The fourth proportional to 2,231,074,969.38, 3,347,021,059.43 and 920,261,958.30 is: 1,380,561,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,074,969.38 : 3,347,021,059.43 = 920,261,958.30 : x
  2. Step 2: Convert to fraction form
    2,231,074,969.38/3,347,021,059.43 = 920,261,958.30/x
  3. Step 3: Cross multiply
    2,231,074,969.38x = 3,347,021,059.43 × 920,261,958.30
  4. Step 4: Simplify right side
    2,231,074,969.38x = 3,080,136,154,617,790,976
  5. Step 5: Solve for x
    x = 3,080,136,154,617,790,976/2,231,074,969.38
  6. Step 6: Final answer
    x = 1,380,561,476.82

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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.