Finding the Fourth Proportional to 490,109,450.05, 676,351,159.68 and 267,091,193.98
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Solution
The fourth proportional to 490,109,450.05, 676,351,159.68 and 267,091,193.98 is: 368,585,912.33
Step by Step Solution
- Step 1: Write the proportion equation
490,109,450.05 : 676,351,159.68 = 267,091,193.98 : x - Step 2: Convert to fraction form
490,109,450.05/676,351,159.68 = 267,091,193.98/x - Step 3: Cross multiply
490,109,450.05x = 676,351,159.68 × 267,091,193.98 - Step 4: Simplify right side
490,109,450.05x = 180,647,438,788,688,800 - Step 5: Solve for x
x = 180,647,438,788,688,800/490,109,450.05 - Step 6: Final answer
x = 368,585,912.33
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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.