Finding the Fourth Proportional to 481,049,088.12, 663,849,562.26 and 261,032,514.12
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Solution
The fourth proportional to 481,049,088.12, 663,849,562.26 and 261,032,514.12 is: 360,225,857.43
Step by Step Solution
- Step 1: Write the proportion equation
481,049,088.12 : 663,849,562.26 = 261,032,514.12 : x - Step 2: Convert to fraction form
481,049,088.12/663,849,562.26 = 261,032,514.12/x - Step 3: Cross multiply
481,049,088.12x = 663,849,562.26 × 261,032,514.12 - Step 4: Simplify right side
481,049,088.12x = 173,286,320,234,189,280 - Step 5: Solve for x
x = 173,286,320,234,189,280/481,049,088.12 - Step 6: Final answer
x = 360,225,857.43
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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.