Home / 725,309,727.58-1,000,930,813.62-412,061,130.34

Finding the Fourth Proportional to 725,309,727.58, 1,000,930,813.62 and 412,061,130.34

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Solution

The fourth proportional to 725,309,727.58, 1,000,930,813.62 and 412,061,130.34 is: 568,646,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,309,727.58 : 1,000,930,813.62 = 412,061,130.34 : x
  2. Step 2: Convert to fraction form
    725,309,727.58/1,000,930,813.62 = 412,061,130.34/x
  3. Step 3: Cross multiply
    725,309,727.58x = 1,000,930,813.62 × 412,061,130.34
  4. Step 4: Simplify right side
    725,309,727.58x = 412,444,682,452,393,024
  5. Step 5: Solve for x
    x = 412,444,682,452,393,024/725,309,727.58
  6. Step 6: Final answer
    x = 568,646,285.54

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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.