Home / 300,950,202,782.58-415,311,347,630.31-165,619,383,218.77

Finding the Fourth Proportional to 300,950,202,782.58, 415,311,347,630.31 and 165,619,383,218.77

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Solution

The fourth proportional to 300,950,202,782.58, 415,311,347,630.31 and 165,619,383,218.77 is: 228,554,786,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,950,202,782.58 : 415,311,347,630.31 = 165,619,383,218.77 : x
  2. Step 2: Convert to fraction form
    300,950,202,782.58/415,311,347,630.31 = 165,619,383,218.77/x
  3. Step 3: Cross multiply
    300,950,202,782.58x = 415,311,347,630.31 × 165,619,383,218.77
  4. Step 4: Simplify right side
    300,950,202,782.58x = 68,783,609,238,288,114,647,040
  5. Step 5: Solve for x
    x = 68,783,609,238,288,114,647,040/300,950,202,782.58
  6. Step 6: Final answer
    x = 228,554,786,148.39

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1.5x scale

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.