Home / 442,868,413.80-664,302,620.70-305,118,906.60

Finding the Fourth Proportional to 442,868,413.80, 664,302,620.70 and 305,118,906.60

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Solution

The fourth proportional to 442,868,413.80, 664,302,620.70 and 305,118,906.60 is: 457,678,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,413.80 : 664,302,620.70 = 305,118,906.60 : x
  2. Step 2: Convert to fraction form
    442,868,413.80/664,302,620.70 = 305,118,906.60/x
  3. Step 3: Cross multiply
    442,868,413.80x = 664,302,620.70 × 305,118,906.60
  4. Step 4: Simplify right side
    442,868,413.80x = 202,691,289,279,498,560
  5. Step 5: Solve for x
    x = 202,691,289,279,498,560/442,868,413.80
  6. Step 6: Final answer
    x = 457,678,359.90

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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.