Home / 728,067,266.70-1,092,100,900.05-268,335,372.30

Finding the Fourth Proportional to 728,067,266.70, 1,092,100,900.05 and 268,335,372.30

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Solution

The fourth proportional to 728,067,266.70, 1,092,100,900.05 and 268,335,372.30 is: 402,503,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,067,266.70 : 1,092,100,900.05 = 268,335,372.30 : x
  2. Step 2: Convert to fraction form
    728,067,266.70/1,092,100,900.05 = 268,335,372.30/x
  3. Step 3: Cross multiply
    728,067,266.70x = 1,092,100,900.05 × 268,335,372.30
  4. Step 4: Simplify right side
    728,067,266.70x = 293,049,301,604,081,856
  5. Step 5: Solve for x
    x = 293,049,301,604,081,856/728,067,266.70
  6. Step 6: Final answer
    x = 402,503,058.45

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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.