Home / 20,993,672,850.03-31,512,918,825.44-9,047,820,525.56

Finding the Fourth Proportional to 20,993,672,850.03, 31,512,918,825.44 and 9,047,820,525.56

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Solution

The fourth proportional to 20,993,672,850.03, 31,512,918,825.44 and 9,047,820,525.56 is: 13,581,388,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,993,672,850.03 : 31,512,918,825.44 = 9,047,820,525.56 : x
  2. Step 2: Convert to fraction form
    20,993,672,850.03/31,512,918,825.44 = 9,047,820,525.56/x
  3. Step 3: Cross multiply
    20,993,672,850.03x = 31,512,918,825.44 × 9,047,820,525.56
  4. Step 4: Simplify right side
    20,993,672,850.03x = 285,123,233,769,013,936,128
  5. Step 5: Solve for x
    x = 285,123,233,769,013,936,128/20,993,672,850.03
  6. Step 6: Final answer
    x = 13,581,388,821.56

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1.5x scale

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.