Finding the Fourth Proportional to 4,260,482,717.40, 6,390,724,076.10 and 3,227,361,413.40
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Solution
The fourth proportional to 4,260,482,717.40, 6,390,724,076.10 and 3,227,361,413.40 is: 4,841,042,120.10
Step by Step Solution
- Step 1: Write the proportion equation
4,260,482,717.40 : 6,390,724,076.10 = 3,227,361,413.40 : x - Step 2: Convert to fraction form
4,260,482,717.40/6,390,724,076.10 = 3,227,361,413.40/x - Step 3: Cross multiply
4,260,482,717.40x = 6,390,724,076.10 × 3,227,361,413.40 - Step 4: Simplify right side
4,260,482,717.40x = 20,625,176,286,891,507,712 - Step 5: Solve for x
x = 20,625,176,286,891,507,712/4,260,482,717.40 - Step 6: Final answer
x = 4,841,042,120.10
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Double scale
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Similar ratio
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1.5x scale
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.