Finding the Fourth Proportional to 334,458,345.18, 461,448,387.41 and 193,278,132.09
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Solution
The fourth proportional to 334,458,345.18, 461,448,387.41 and 193,278,132.09 is: 266,663,647.83
Step by Step Solution
- Step 1: Write the proportion equation
334,458,345.18 : 461,448,387.41 = 193,278,132.09 : x - Step 2: Convert to fraction form
334,458,345.18/461,448,387.41 = 193,278,132.09/x - Step 3: Cross multiply
334,458,345.18x = 461,448,387.41 × 193,278,132.09 - Step 4: Simplify right side
334,458,345.18x = 89,187,882,371,513,696 - Step 5: Solve for x
x = 89,187,882,371,513,696/334,458,345.18 - Step 6: Final answer
x = 266,663,647.83
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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.