Home / 263,084,611.80-394,060,047.30-217,734,979.80

Finding the Fourth Proportional to 263,084,611.80, 394,060,047.30 and 217,734,979.80

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Solution

The fourth proportional to 263,084,611.80, 394,060,047.30 and 217,734,979.80 is: 326,133,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,084,611.80 : 394,060,047.30 = 217,734,979.80 : x
  2. Step 2: Convert to fraction form
    263,084,611.80/394,060,047.30 = 217,734,979.80/x
  3. Step 3: Cross multiply
    263,084,611.80x = 394,060,047.30 × 217,734,979.80
  4. Step 4: Simplify right side
    263,084,611.80x = 85,800,656,438,852,544
  5. Step 5: Solve for x
    x = 85,800,656,438,852,544/263,084,611.80
  6. Step 6: Final answer
    x = 326,133,314.49

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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.