Finding the Fourth Proportional to 511,930,943.87, 706,459,680.11 and 276,976,449.09
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Solution
The fourth proportional to 511,930,943.87, 706,459,680.11 and 276,976,449.09 is: 382,224,782.40
Step by Step Solution
- Step 1: Write the proportion equation
511,930,943.87 : 706,459,680.11 = 276,976,449.09 : x - Step 2: Convert to fraction form
511,930,943.87/706,459,680.11 = 276,976,449.09/x - Step 3: Cross multiply
511,930,943.87x = 706,459,680.11 × 276,976,449.09 - Step 4: Simplify right side
511,930,943.87x = 195,672,693,622,817,504 - Step 5: Solve for x
x = 195,672,693,622,817,504/511,930,943.87 - Step 6: Final answer
x = 382,224,782.40
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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.