Home / 445,926,945.33-668,522,162.43-196,754,810.94

Finding the Fourth Proportional to 445,926,945.33, 668,522,162.43 and 196,754,810.94

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Solution

The fourth proportional to 445,926,945.33, 668,522,162.43 and 196,754,810.94 is: 294,969,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,926,945.33 : 668,522,162.43 = 196,754,810.94 : x
  2. Step 2: Convert to fraction form
    445,926,945.33/668,522,162.43 = 196,754,810.94/x
  3. Step 3: Cross multiply
    445,926,945.33x = 668,522,162.43 × 196,754,810.94
  4. Step 4: Simplify right side
    445,926,945.33x = 131,534,951,678,114,608
  5. Step 5: Solve for x
    x = 131,534,951,678,114,608/445,926,945.33
  6. Step 6: Final answer
    x = 294,969,732.27

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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.