Finding the Fourth Proportional to 490,109,452.05, 676,351,162.44 and 267,091,195.98
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Solution
The fourth proportional to 490,109,452.05, 676,351,162.44 and 267,091,195.98 is: 368,585,915.09
Step by Step Solution
- Step 1: Write the proportion equation
490,109,452.05 : 676,351,162.44 = 267,091,195.98 : x - Step 2: Convert to fraction form
490,109,452.05/676,351,162.44 = 267,091,195.98/x - Step 3: Cross multiply
490,109,452.05x = 676,351,162.44 × 267,091,195.98 - Step 4: Simplify right side
490,109,452.05x = 180,647,440,878,562,848 - Step 5: Solve for x
x = 180,647,440,878,562,848/490,109,452.05 - Step 6: Final answer
x = 368,585,915.09
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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.