Home / 568,403,786.61-851,726,853.05-443,610,521.19

Finding the Fourth Proportional to 568,403,786.61, 851,726,853.05 and 443,610,521.19

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Solution

The fourth proportional to 568,403,786.61, 851,726,853.05 and 443,610,521.19 is: 664,729,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,403,786.61 : 851,726,853.05 = 443,610,521.19 : x
  2. Step 2: Convert to fraction form
    568,403,786.61/851,726,853.05 = 443,610,521.19/x
  3. Step 3: Cross multiply
    568,403,786.61x = 851,726,853.05 × 443,610,521.19
  4. Step 4: Simplify right side
    568,403,786.61x = 377,834,993,190,810,944
  5. Step 5: Solve for x
    x = 377,834,993,190,810,944/568,403,786.61
  6. Step 6: Final answer
    x = 664,729,901.69

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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.