Home / 921,245,269,413.36-1,382,056,374,769.10-316,791,974,185.14

Finding the Fourth Proportional to 921,245,269,413.36, 1,382,056,374,769.10 and 316,791,974,185.14

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Solution

The fourth proportional to 921,245,269,413.36, 1,382,056,374,769.10 and 316,791,974,185.14 is: 475,252,771,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,245,269,413.36 : 1,382,056,374,769.10 = 316,791,974,185.14 : x
  2. Step 2: Convert to fraction form
    921,245,269,413.36/1,382,056,374,769.10 = 316,791,974,185.14/x
  3. Step 3: Cross multiply
    921,245,269,413.36x = 1,382,056,374,769.10 × 316,791,974,185.14
  4. Step 4: Simplify right side
    921,245,269,413.36x = 437,824,367,398,260,949,647,360
  5. Step 5: Solve for x
    x = 437,824,367,398,260,949,647,360/921,245,269,413.36
  6. Step 6: Final answer
    x = 475,252,771,367.89

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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.