Home / 311,630,413.60-467,445,620.40-299,726,135.20

Finding the Fourth Proportional to 311,630,413.60, 467,445,620.40 and 299,726,135.20

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Solution

The fourth proportional to 311,630,413.60, 467,445,620.40 and 299,726,135.20 is: 449,589,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,630,413.60 : 467,445,620.40 = 299,726,135.20 : x
  2. Step 2: Convert to fraction form
    311,630,413.60/467,445,620.40 = 299,726,135.20/x
  3. Step 3: Cross multiply
    311,630,413.60x = 467,445,620.40 × 299,726,135.20
  4. Step 4: Simplify right side
    311,630,413.60x = 140,105,669,218,658,272
  5. Step 5: Solve for x
    x = 140,105,669,218,658,272/311,630,413.60
  6. Step 6: Final answer
    x = 449,589,202.80

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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.