Finding the Fourth Proportional to 945,900,249.06, 1,305,080,229.84 and 543,992,087.94
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Solution
The fourth proportional to 945,900,249.06, 1,305,080,229.84 and 543,992,087.94 is: 750,558,338.33
Step by Step Solution
- Step 1: Write the proportion equation
945,900,249.06 : 1,305,080,229.84 = 543,992,087.94 : x - Step 2: Convert to fraction form
945,900,249.06/1,305,080,229.84 = 543,992,087.94/x - Step 3: Cross multiply
945,900,249.06x = 1,305,080,229.84 × 543,992,087.94 - Step 4: Simplify right side
945,900,249.06x = 709,953,319,159,876,736 - Step 5: Solve for x
x = 709,953,319,159,876,736/945,900,249.06 - Step 6: Final answer
x = 750,558,338.33
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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.