Home / 725,036,059.82-1,000,669,758.03-427,750,982.48

Finding the Fourth Proportional to 725,036,059.82, 1,000,669,758.03 and 427,750,982.48

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Solution

The fourth proportional to 725,036,059.82, 1,000,669,758.03 and 427,750,982.48 is: 590,367,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,036,059.82 : 1,000,669,758.03 = 427,750,982.48 : x
  2. Step 2: Convert to fraction form
    725,036,059.82/1,000,669,758.03 = 427,750,982.48/x
  3. Step 3: Cross multiply
    725,036,059.82x = 1,000,669,758.03 × 427,750,982.48
  4. Step 4: Simplify right side
    725,036,059.82x = 428,037,472,137,858,048
  5. Step 5: Solve for x
    x = 428,037,472,137,858,048/725,036,059.82
  6. Step 6: Final answer
    x = 590,367,149.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.