Home / 263,820,033.80-395,730,050.70-221,493,710.60

Finding the Fourth Proportional to 263,820,033.80, 395,730,050.70 and 221,493,710.60

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Solution

The fourth proportional to 263,820,033.80, 395,730,050.70 and 221,493,710.60 is: 332,240,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,820,033.80 : 395,730,050.70 = 221,493,710.60 : x
  2. Step 2: Convert to fraction form
    263,820,033.80/395,730,050.70 = 221,493,710.60/x
  3. Step 3: Cross multiply
    263,820,033.80x = 395,730,050.70 × 221,493,710.60
  4. Step 4: Simplify right side
    263,820,033.80x = 87,651,717,325,469,120
  5. Step 5: Solve for x
    x = 87,651,717,325,469,120/263,820,033.80
  6. Step 6: Final answer
    x = 332,240,565.90

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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.