Home / 883,011,611.70-1,324,517,417.55-269,516,121.30

Finding the Fourth Proportional to 883,011,611.70, 1,324,517,417.55 and 269,516,121.30

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Solution

The fourth proportional to 883,011,611.70, 1,324,517,417.55 and 269,516,121.30 is: 404,274,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,011,611.70 : 1,324,517,417.55 = 269,516,121.30 : x
  2. Step 2: Convert to fraction form
    883,011,611.70/1,324,517,417.55 = 269,516,121.30/x
  3. Step 3: Cross multiply
    883,011,611.70x = 1,324,517,417.55 × 269,516,121.30
  4. Step 4: Simplify right side
    883,011,611.70x = 356,978,796,972,368,576
  5. Step 5: Solve for x
    x = 356,978,796,972,368,576/883,011,611.70
  6. Step 6: Final answer
    x = 404,274,181.95

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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.