Finding the Fourth Proportional to 264,977,115.30, 397,465,672.95 and 209,707,251.30
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Solution
The fourth proportional to 264,977,115.30, 397,465,672.95 and 209,707,251.30 is: 314,560,876.95
Step by Step Solution
- Step 1: Write the proportion equation
264,977,115.30 : 397,465,672.95 = 209,707,251.30 : x - Step 2: Convert to fraction form
264,977,115.30/397,465,672.95 = 209,707,251.30/x - Step 3: Cross multiply
264,977,115.30x = 397,465,672.95 × 209,707,251.30 - Step 4: Simplify right side
264,977,115.30x = 83,351,433,760,449,264 - Step 5: Solve for x
x = 83,351,433,760,449,264/264,977,115.30 - Step 6: Final answer
x = 314,560,876.95
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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.