Finding the Fourth Proportional to 2,378,954,460.66, 3,282,764,684.34 and 1,375,436,413.26
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Solution
The fourth proportional to 2,378,954,460.66, 3,282,764,684.34 and 1,375,436,413.26 is: 1,897,990,969.42
Step by Step Solution
- Step 1: Write the proportion equation
2,378,954,460.66 : 3,282,764,684.34 = 1,375,436,413.26 : x - Step 2: Convert to fraction form
2,378,954,460.66/3,282,764,684.34 = 1,375,436,413.26/x - Step 3: Cross multiply
2,378,954,460.66x = 3,282,764,684.34 × 1,375,436,413.26 - Step 4: Simplify right side
2,378,954,460.66x = 4,515,234,083,005,206,016 - Step 5: Solve for x
x = 4,515,234,083,005,206,016/2,378,954,460.66 - Step 6: Final answer
x = 1,897,990,969.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.