Finding the Fourth Proportional to 3,259,201,643.40, 4,888,802,465.10 and 1,188,990,942.60
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Solution
The fourth proportional to 3,259,201,643.40, 4,888,802,465.10 and 1,188,990,942.60 is: 1,783,486,413.90
Step by Step Solution
- Step 1: Write the proportion equation
3,259,201,643.40 : 4,888,802,465.10 = 1,188,990,942.60 : x - Step 2: Convert to fraction form
3,259,201,643.40/4,888,802,465.10 = 1,188,990,942.60/x - Step 3: Cross multiply
3,259,201,643.40x = 4,888,802,465.10 × 1,188,990,942.60 - Step 4: Simplify right side
3,259,201,643.40x = 5,812,741,851,164,452,864 - Step 5: Solve for x
x = 5,812,741,851,164,452,864/3,259,201,643.40 - Step 6: Final answer
x = 1,783,486,413.90
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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.