Finding the Fourth Proportional to 5,386,970,629,724.40, 7,433,960,245,759.60 and 2,917,720,075,836
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Solution
The fourth proportional to 5,386,970,629,724.40, 7,433,960,245,759.60 and 2,917,720,075,836 is: 4,026,421,627,832.26
Step by Step Solution
- Step 1: Write the proportion equation
5,386,970,629,724.40 : 7,433,960,245,759.60 = 2,917,720,075,836 : x - Step 2: Convert to fraction form
5,386,970,629,724.40/7,433,960,245,759.60 = 2,917,720,075,836/x - Step 3: Cross multiply
5,386,970,629,724.40x = 7,433,960,245,759.60 × 2,917,720,075,836 - Step 4: Simplify right side
5,386,970,629,724.40x = 21,690,215,052,019,506,440,306,688 - Step 5: Solve for x
x = 21,690,215,052,019,506,440,306,688/5,386,970,629,724.40 - Step 6: Final answer
x = 4,026,421,627,832.26
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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.