Home / 325,921,950.45-488,882,925.68-172,866,942.45

Finding the Fourth Proportional to 325,921,950.45, 488,882,925.68 and 172,866,942.45

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Solution

The fourth proportional to 325,921,950.45, 488,882,925.68 and 172,866,942.45 is: 259,300,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,921,950.45 : 488,882,925.68 = 172,866,942.45 : x
  2. Step 2: Convert to fraction form
    325,921,950.45/488,882,925.68 = 172,866,942.45/x
  3. Step 3: Cross multiply
    325,921,950.45x = 488,882,925.68 × 172,866,942.45
  4. Step 4: Simplify right side
    325,921,950.45x = 84,511,696,577,447,856
  5. Step 5: Solve for x
    x = 84,511,696,577,447,856/325,921,950.45
  6. Step 6: Final answer
    x = 259,300,413.68

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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.