Home / 261,684,003.60-392,526,005.40-259,892,413.20

Finding the Fourth Proportional to 261,684,003.60, 392,526,005.40 and 259,892,413.20

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Solution

The fourth proportional to 261,684,003.60, 392,526,005.40 and 259,892,413.20 is: 389,838,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,684,003.60 : 392,526,005.40 = 259,892,413.20 : x
  2. Step 2: Convert to fraction form
    261,684,003.60/392,526,005.40 = 259,892,413.20/x
  3. Step 3: Cross multiply
    261,684,003.60x = 392,526,005.40 × 259,892,413.20
  4. Step 4: Simplify right side
    261,684,003.60x = 102,014,530,787,162,224
  5. Step 5: Solve for x
    x = 102,014,530,787,162,224/261,684,003.60
  6. Step 6: Final answer
    x = 389,838,619.80

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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.