Finding the Fourth Proportional to 284,028,733.31, 391,955,841.61 and 158,582,855.97
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Solution
The fourth proportional to 284,028,733.31, 391,955,841.61 and 158,582,855.97 is: 218,842,213.79
Step by Step Solution
- Step 1: Write the proportion equation
284,028,733.31 : 391,955,841.61 = 158,582,855.97 : x - Step 2: Convert to fraction form
284,028,733.31/391,955,841.61 = 158,582,855.97/x - Step 3: Cross multiply
284,028,733.31x = 391,955,841.61 × 158,582,855.97 - Step 4: Simplify right side
284,028,733.31x = 62,157,476,776,242,304 - Step 5: Solve for x
x = 62,157,476,776,242,304/284,028,733.31 - Step 6: Final answer
x = 218,842,213.79
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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.