Finding the Fourth Proportional to 384,286,530, 576,489,514.68 and 129,044,617.68
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Solution
The fourth proportional to 384,286,530, 576,489,514.68 and 129,044,617.68 is: 193,586,980.58
Step by Step Solution
- Step 1: Write the proportion equation
384,286,530 : 576,489,514.68 = 129,044,617.68 : x - Step 2: Convert to fraction form
384,286,530/576,489,514.68 = 129,044,617.68/x - Step 3: Cross multiply
384,286,530x = 576,489,514.68 × 129,044,617.68 - Step 4: Simplify right side
384,286,530x = 74,392,869,018,409,344 - Step 5: Solve for x
x = 74,392,869,018,409,344/384,286,530 - Step 6: Final answer
x = 193,586,980.58
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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.