Finding the Fourth Proportional to 1,821,019,229.84, 2,731,530,814.68 and 852,351,090.32
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Solution
The fourth proportional to 1,821,019,229.84, 2,731,530,814.68 and 852,351,090.32 is: 1,278,527,557.53
Step by Step Solution
- Step 1: Write the proportion equation
1,821,019,229.84 : 2,731,530,814.68 = 852,351,090.32 : x - Step 2: Convert to fraction form
1,821,019,229.84/2,731,530,814.68 = 852,351,090.32/x - Step 3: Cross multiply
1,821,019,229.84x = 2,731,530,814.68 × 852,351,090.32 - Step 4: Simplify right side
1,821,019,229.84x = 2,328,223,268,135,175,680 - Step 5: Solve for x
x = 2,328,223,268,135,175,680/1,821,019,229.84 - Step 6: Final answer
x = 1,278,527,557.53
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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.