Home / 289,757,013,945.80-434,377,028,016.30-113,052,172,857.80

Finding the Fourth Proportional to 289,757,013,945.80, 434,377,028,016.30 and 113,052,172,857.80

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Solution

The fourth proportional to 289,757,013,945.80, 434,377,028,016.30 and 113,052,172,857.80 is: 169,477,405,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,757,013,945.80 : 434,377,028,016.30 = 113,052,172,857.80 : x
  2. Step 2: Convert to fraction form
    289,757,013,945.80/434,377,028,016.30 = 113,052,172,857.80/x
  3. Step 3: Cross multiply
    289,757,013,945.80x = 434,377,028,016.30 × 113,052,172,857.80
  4. Step 4: Simplify right side
    289,757,013,945.80x = 49,107,266,856,756,180,942,848
  5. Step 5: Solve for x
    x = 49,107,266,856,756,180,942,848/289,757,013,945.80
  6. Step 6: Final answer
    x = 169,477,405,181.78

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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.