Finding the Fourth Proportional to 481,049,082.09, 663,849,553.95 and 261,032,508.09
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Solution
The fourth proportional to 481,049,082.09, 663,849,553.95 and 261,032,508.09 is: 360,225,849.12
Step by Step Solution
- Step 1: Write the proportion equation
481,049,082.09 : 663,849,553.95 = 261,032,508.09 : x - Step 2: Convert to fraction form
481,049,082.09/663,849,553.95 = 261,032,508.09/x - Step 3: Cross multiply
481,049,082.09x = 663,849,553.95 × 261,032,508.09 - Step 4: Simplify right side
481,049,082.09x = 173,286,314,061,996,288 - Step 5: Solve for x
x = 173,286,314,061,996,288/481,049,082.09 - Step 6: Final answer
x = 360,225,849.12
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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.