Finding the Fourth Proportional to 855,382,121.44, 1,283,612,944.68 and 364,094,601.80
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Solution
The fourth proportional to 855,382,121.44, 1,283,612,944.68 and 364,094,601.80 is: 546,371,653.38
Step by Step Solution
- Step 1: Write the proportion equation
855,382,121.44 : 1,283,612,944.68 = 364,094,601.80 : x - Step 2: Convert to fraction form
855,382,121.44/1,283,612,944.68 = 364,094,601.80/x - Step 3: Cross multiply
855,382,121.44x = 1,283,612,944.68 × 364,094,601.80 - Step 4: Simplify right side
855,382,121.44x = 467,356,543,958,590,080 - Step 5: Solve for x
x = 467,356,543,958,590,080/855,382,121.44 - Step 6: Final answer
x = 546,371,653.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.