Finding the Fourth Proportional to 3,170,459,430.40, 4,755,689,145.60 and 2,068,463,372.80
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Solution
The fourth proportional to 3,170,459,430.40, 4,755,689,145.60 and 2,068,463,372.80 is: 3,102,695,059.20
Step by Step Solution
- Step 1: Write the proportion equation
3,170,459,430.40 : 4,755,689,145.60 = 2,068,463,372.80 : x - Step 2: Convert to fraction form
3,170,459,430.40/4,755,689,145.60 = 2,068,463,372.80/x - Step 3: Cross multiply
3,170,459,430.40x = 4,755,689,145.60 × 2,068,463,372.80 - Step 4: Simplify right side
3,170,459,430.40x = 9,836,968,810,096,125,952 - Step 5: Solve for x
x = 9,836,968,810,096,125,952/3,170,459,430.40 - Step 6: Final answer
x = 3,102,695,059.20
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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.