Finding the Fourth Proportional to 9,994,318,589.40, 13,792,160,960.70 and 5,539,270,585.56
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Solution
The fourth proportional to 9,994,318,589.40, 13,792,160,960.70 and 5,539,270,585.56 is: 7,644,194,132.65
Step by Step Solution
- Step 1: Write the proportion equation
9,994,318,589.40 : 13,792,160,960.70 = 5,539,270,585.56 : x - Step 2: Convert to fraction form
9,994,318,589.40/13,792,160,960.70 = 5,539,270,585.56/x - Step 3: Cross multiply
9,994,318,589.40x = 13,792,160,960.70 × 5,539,270,585.56 - Step 4: Simplify right side
9,994,318,589.40x = 76,398,511,520,914,472,960 - Step 5: Solve for x
x = 76,398,511,520,914,472,960/9,994,318,589.40 - Step 6: Final answer
x = 7,644,194,132.65
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1.5x scale
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.