Finding the Fourth Proportional to 2,858,093,618.24, 4,286,664,918.77 and 865,661,968.13
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Solution
The fourth proportional to 2,858,093,618.24, 4,286,664,918.77 and 865,661,968.13 is: 1,298,348,929.73
Step by Step Solution
- Step 1: Write the proportion equation
2,858,093,618.24 : 4,286,664,918.77 = 865,661,968.13 : x - Step 2: Convert to fraction form
2,858,093,618.24/4,286,664,918.77 = 865,661,968.13/x - Step 3: Cross multiply
2,858,093,618.24x = 4,286,664,918.77 × 865,661,968.13 - Step 4: Simplify right side
2,858,093,618.24x = 3,710,802,790,302,653,440 - Step 5: Solve for x
x = 3,710,802,790,302,653,440/2,858,093,618.24 - Step 6: Final answer
x = 1,298,348,929.73
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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.