Finding the Fourth Proportional to 674,863,191.39, 1,012,033,076.99 and 232,121,687.19
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Solution
The fourth proportional to 674,863,191.39, 1,012,033,076.99 and 232,121,687.19 is: 348,092,514.64
Step by Step Solution
- Step 1: Write the proportion equation
674,863,191.39 : 1,012,033,076.99 = 232,121,687.19 : x - Step 2: Convert to fraction form
674,863,191.39/1,012,033,076.99 = 232,121,687.19/x - Step 3: Cross multiply
674,863,191.39x = 1,012,033,076.99 × 232,121,687.19 - Step 4: Simplify right side
674,863,191.39x = 234,914,825,327,381,376 - Step 5: Solve for x
x = 234,914,825,327,381,376/674,863,191.39 - Step 6: Final answer
x = 348,092,514.64
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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.