Finding the Fourth Proportional to 7,149,302,885.60, 10,723,954,328.40 and 6,633,324,850.40
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Solution
The fourth proportional to 7,149,302,885.60, 10,723,954,328.40 and 6,633,324,850.40 is: 9,949,987,275.60
Step by Step Solution
- Step 1: Write the proportion equation
7,149,302,885.60 : 10,723,954,328.40 = 6,633,324,850.40 : x - Step 2: Convert to fraction form
7,149,302,885.60/10,723,954,328.40 = 6,633,324,850.40/x - Step 3: Cross multiply
7,149,302,885.60x = 10,723,954,328.40 × 6,633,324,850.40 - Step 4: Simplify right side
7,149,302,885.60x = 71,135,472,741,130,354,688 - Step 5: Solve for x
x = 71,135,472,741,130,354,688/7,149,302,885.60 - Step 6: Final answer
x = 9,949,987,275.60
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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.