Finding the Fourth Proportional to 2,199,643,530.40, 3,299,465,295.60 and 1,954,755,517.60
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Solution
The fourth proportional to 2,199,643,530.40, 3,299,465,295.60 and 1,954,755,517.60 is: 2,932,133,276.40
Step by Step Solution
- Step 1: Write the proportion equation
2,199,643,530.40 : 3,299,465,295.60 = 1,954,755,517.60 : x - Step 2: Convert to fraction form
2,199,643,530.40/3,299,465,295.60 = 1,954,755,517.60/x - Step 3: Cross multiply
2,199,643,530.40x = 3,299,465,295.60 × 1,954,755,517.60 - Step 4: Simplify right side
2,199,643,530.40x = 6,449,647,991,703,814,144 - Step 5: Solve for x
x = 6,449,647,991,703,814,144/2,199,643,530.40 - Step 6: Final answer
x = 2,932,133,276.40
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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.