Finding the Fourth Proportional to 481,561,006.50, 664,531,949.61 and 272,718,644.13
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Solution
The fourth proportional to 481,561,006.50, 664,531,949.61 and 272,718,644.13 is: 376,339,134.26
Step by Step Solution
- Step 1: Write the proportion equation
481,561,006.50 : 664,531,949.61 = 272,718,644.13 : x - Step 2: Convert to fraction form
481,561,006.50/664,531,949.61 = 272,718,644.13/x - Step 3: Cross multiply
481,561,006.50x = 664,531,949.61 × 272,718,644.13 - Step 4: Simplify right side
481,561,006.50x = 181,230,252,278,704,672 - Step 5: Solve for x
x = 181,230,252,278,704,672/481,561,006.50 - Step 6: Final answer
x = 376,339,134.26
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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.