Finding the Fourth Proportional to 8,189,512,719.16, 12,284,618,677.98 and 3,216,312,374.44
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Solution
The fourth proportional to 8,189,512,719.16, 12,284,618,677.98 and 3,216,312,374.44 is: 4,824,605,861.69
Step by Step Solution
- Step 1: Write the proportion equation
8,189,512,719.16 : 12,284,618,677.98 = 3,216,312,374.44 : x - Step 2: Convert to fraction form
8,189,512,719.16/12,284,618,677.98 = 3,216,312,374.44/x - Step 3: Cross multiply
8,189,512,719.16x = 12,284,618,677.98 × 3,216,312,374.44 - Step 4: Simplify right side
8,189,512,719.16x = 39,511,171,069,263,822,848 - Step 5: Solve for x
x = 39,511,171,069,263,822,848/8,189,512,719.16 - Step 6: Final answer
x = 4,824,605,861.69
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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.