Finding the Fourth Proportional to 7,416,453,609.90, 11,124,680,414.85 and 6,848,236,892.70
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Solution
The fourth proportional to 7,416,453,609.90, 11,124,680,414.85 and 6,848,236,892.70 is: 10,272,355,339.05
Step by Step Solution
- Step 1: Write the proportion equation
7,416,453,609.90 : 11,124,680,414.85 = 6,848,236,892.70 : x - Step 2: Convert to fraction form
7,416,453,609.90/11,124,680,414.85 = 6,848,236,892.70/x - Step 3: Cross multiply
7,416,453,609.90x = 11,124,680,414.85 × 6,848,236,892.70 - Step 4: Simplify right side
7,416,453,609.90x = 76,184,446,836,472,905,728 - Step 5: Solve for x
x = 76,184,446,836,472,905,728/7,416,453,609.90 - Step 6: Final answer
x = 10,272,355,339.05
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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.