Finding the Fourth Proportional to 484,215,672.12, 668,162,446.40 and 272,481,606.48
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Solution
The fourth proportional to 484,215,672.12, 668,162,446.40 and 272,481,606.48 is: 375,993,564.99
Step by Step Solution
- Step 1: Write the proportion equation
484,215,672.12 : 668,162,446.40 = 272,481,606.48 : x - Step 2: Convert to fraction form
484,215,672.12/668,162,446.40 = 272,481,606.48/x - Step 3: Cross multiply
484,215,672.12x = 668,162,446.40 × 272,481,606.48 - Step 4: Simplify right side
484,215,672.12x = 182,061,976,784,678,912 - Step 5: Solve for x
x = 182,061,976,784,678,912/484,215,672.12 - Step 6: Final answer
x = 375,993,564.99
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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.