Home / 263,279,808,391.80-394,919,712,587.70-258,055,530,785.40

Finding the Fourth Proportional to 263,279,808,391.80, 394,919,712,587.70 and 258,055,530,785.40

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Solution

The fourth proportional to 263,279,808,391.80, 394,919,712,587.70 and 258,055,530,785.40 is: 387,083,296,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,279,808,391.80 : 394,919,712,587.70 = 258,055,530,785.40 : x
  2. Step 2: Convert to fraction form
    263,279,808,391.80/394,919,712,587.70 = 258,055,530,785.40/x
  3. Step 3: Cross multiply
    263,279,808,391.80x = 394,919,712,587.70 × 258,055,530,785.40
  4. Step 4: Simplify right side
    263,279,808,391.80x = 101,911,216,049,436,542,107,648
  5. Step 5: Solve for x
    x = 101,911,216,049,436,542,107,648/263,279,808,391.80
  6. Step 6: Final answer
    x = 387,083,296,178.10

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1.5x scale

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.