Finding the Fourth Proportional to 494,352,165.80, 741,528,248.70 and 287,444,469.80
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Solution
The fourth proportional to 494,352,165.80, 741,528,248.70 and 287,444,469.80 is: 431,166,704.70
Step by Step Solution
- Step 1: Write the proportion equation
494,352,165.80 : 741,528,248.70 = 287,444,469.80 : x - Step 2: Convert to fraction form
494,352,165.80/741,528,248.70 = 287,444,469.80/x - Step 3: Cross multiply
494,352,165.80x = 741,528,248.70 × 287,444,469.80 - Step 4: Simplify right side
494,352,165.80x = 213,148,194,289,294,048 - Step 5: Solve for x
x = 213,148,194,289,294,048/494,352,165.80 - Step 6: Final answer
x = 431,166,704.70
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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.