Home / 218,507,240.80-327,760,861.20-191,633,384.80

Finding the Fourth Proportional to 218,507,240.80, 327,760,861.20 and 191,633,384.80

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Solution

The fourth proportional to 218,507,240.80, 327,760,861.20 and 191,633,384.80 is: 287,450,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,507,240.80 : 327,760,861.20 = 191,633,384.80 : x
  2. Step 2: Convert to fraction form
    218,507,240.80/327,760,861.20 = 191,633,384.80/x
  3. Step 3: Cross multiply
    218,507,240.80x = 327,760,861.20 × 191,633,384.80
  4. Step 4: Simplify right side
    218,507,240.80x = 62,809,923,236,718,992
  5. Step 5: Solve for x
    x = 62,809,923,236,718,992/218,507,240.80
  6. Step 6: Final answer
    x = 287,450,077.20

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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.