Home / 399,040,413.40-598,560,620.10-235,781,738.20

Finding the Fourth Proportional to 399,040,413.40, 598,560,620.10 and 235,781,738.20

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Solution

The fourth proportional to 399,040,413.40, 598,560,620.10 and 235,781,738.20 is: 353,672,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,040,413.40 : 598,560,620.10 = 235,781,738.20 : x
  2. Step 2: Convert to fraction form
    399,040,413.40/598,560,620.10 = 235,781,738.20/x
  3. Step 3: Cross multiply
    399,040,413.40x = 598,560,620.10 × 235,781,738.20
  4. Step 4: Simplify right side
    399,040,413.40x = 141,129,663,425,247,856
  5. Step 5: Solve for x
    x = 141,129,663,425,247,856/399,040,413.40
  6. Step 6: Final answer
    x = 353,672,607.30

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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.