Finding the Fourth Proportional to 3,607,459,657.80, 5,411,189,486.70 and 3,258,781,217.70
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Solution
The fourth proportional to 3,607,459,657.80, 5,411,189,486.70 and 3,258,781,217.70 is: 4,888,171,826.55
Step by Step Solution
- Step 1: Write the proportion equation
3,607,459,657.80 : 5,411,189,486.70 = 3,258,781,217.70 : x - Step 2: Convert to fraction form
3,607,459,657.80/5,411,189,486.70 = 3,258,781,217.70/x - Step 3: Cross multiply
3,607,459,657.80x = 5,411,189,486.70 × 3,258,781,217.70 - Step 4: Simplify right side
3,607,459,657.80x = 17,633,882,664,673,662,976 - Step 5: Solve for x
x = 17,633,882,664,673,662,976/3,607,459,657.80 - Step 6: Final answer
x = 4,888,171,826.55
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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.