Home / 300,950,202,789.77-415,311,347,640.23-165,619,383,225.95

Finding the Fourth Proportional to 300,950,202,789.77, 415,311,347,640.23 and 165,619,383,225.95

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Solution

The fourth proportional to 300,950,202,789.77, 415,311,347,640.23 and 165,619,383,225.95 is: 228,554,786,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,950,202,789.77 : 415,311,347,640.23 = 165,619,383,225.95 : x
  2. Step 2: Convert to fraction form
    300,950,202,789.77/415,311,347,640.23 = 165,619,383,225.95/x
  3. Step 3: Cross multiply
    300,950,202,789.77x = 415,311,347,640.23 × 165,619,383,225.95
  4. Step 4: Simplify right side
    300,950,202,789.77x = 68,783,609,242,912,997,507,072
  5. Step 5: Solve for x
    x = 68,783,609,242,912,997,507,072/300,950,202,789.77
  6. Step 6: Final answer
    x = 228,554,786,158.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.