Finding the Fourth Proportional to 404,165,716.80, 606,248,575.20 and 275,025,553.80
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Solution
The fourth proportional to 404,165,716.80, 606,248,575.20 and 275,025,553.80 is: 412,538,330.70
Step by Step Solution
- Step 1: Write the proportion equation
404,165,716.80 : 606,248,575.20 = 275,025,553.80 : x - Step 2: Convert to fraction form
404,165,716.80/606,248,575.20 = 275,025,553.80/x - Step 3: Cross multiply
404,165,716.80x = 606,248,575.20 × 275,025,553.80 - Step 4: Simplify right side
404,165,716.80x = 166,733,850,134,840,960 - Step 5: Solve for x
x = 166,733,850,134,840,960/404,165,716.80 - Step 6: Final answer
x = 412,538,330.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.