Home / 7,621,517,232.03-11,428,350,491.55-3,420,868,936.73

Finding the Fourth Proportional to 7,621,517,232.03, 11,428,350,491.55 and 3,420,868,936.73

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Solution

The fourth proportional to 7,621,517,232.03, 11,428,350,491.55 and 3,420,868,936.73 is: 5,129,541,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,517,232.03 : 11,428,350,491.55 = 3,420,868,936.73 : x
  2. Step 2: Convert to fraction form
    7,621,517,232.03/11,428,350,491.55 = 3,420,868,936.73/x
  3. Step 3: Cross multiply
    7,621,517,232.03x = 11,428,350,491.55 × 3,420,868,936.73
  4. Step 4: Simplify right side
    7,621,517,232.03x = 39,094,889,194,606,419,968
  5. Step 5: Solve for x
    x = 39,094,889,194,606,419,968/7,621,517,232.03
  6. Step 6: Final answer
    x = 5,129,541,534.11

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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.