Home / 253,468,226,475.20-380,202,339,712.80-212,556,622,836.80

Finding the Fourth Proportional to 253,468,226,475.20, 380,202,339,712.80 and 212,556,622,836.80

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Solution

The fourth proportional to 253,468,226,475.20, 380,202,339,712.80 and 212,556,622,836.80 is: 318,834,934,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,468,226,475.20 : 380,202,339,712.80 = 212,556,622,836.80 : x
  2. Step 2: Convert to fraction form
    253,468,226,475.20/380,202,339,712.80 = 212,556,622,836.80/x
  3. Step 3: Cross multiply
    253,468,226,475.20x = 380,202,339,712.80 × 212,556,622,836.80
  4. Step 4: Simplify right side
    253,468,226,475.20x = 80,814,525,324,002,534,096,896
  5. Step 5: Solve for x
    x = 80,814,525,324,002,534,096,896/253,468,226,475.20
  6. Step 6: Final answer
    x = 318,834,934,255.20

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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.