Finding the Fourth Proportional to 397,376,405.37, 548,369,761.07 and 218,758,841.97
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Solution
The fourth proportional to 397,376,405.37, 548,369,761.07 and 218,758,841.97 is: 301,881,873.91
Step by Step Solution
- Step 1: Write the proportion equation
397,376,405.37 : 548,369,761.07 = 218,758,841.97 : x - Step 2: Convert to fraction form
397,376,405.37/548,369,761.07 = 218,758,841.97/x - Step 3: Cross multiply
397,376,405.37x = 548,369,761.07 × 218,758,841.97 - Step 4: Simplify right side
397,376,405.37x = 119,960,733,901,945,008 - Step 5: Solve for x
x = 119,960,733,901,945,008/397,376,405.37 - Step 6: Final answer
x = 301,881,873.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.