Home / 263,493,282.40-394,761,626.70-214,706,998.60

Finding the Fourth Proportional to 263,493,282.40, 394,761,626.70 and 214,706,998.60

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Solution

The fourth proportional to 263,493,282.40, 394,761,626.70 and 214,706,998.60 is: 321,670,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,493,282.40 : 394,761,626.70 = 214,706,998.60 : x
  2. Step 2: Convert to fraction form
    263,493,282.40/394,761,626.70 = 214,706,998.60/x
  3. Step 3: Cross multiply
    263,493,282.40x = 394,761,626.70 × 214,706,998.60
  4. Step 4: Simplify right side
    263,493,282.40x = 84,758,084,031,210,624
  5. Step 5: Solve for x
    x = 84,758,084,031,210,624/263,493,282.40
  6. Step 6: Final answer
    x = 321,670,758.58

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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.