Finding the Fourth Proportional to 16,237,324,817.70, 24,355,987,226.55 and 7,972,354,385.70
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Solution
The fourth proportional to 16,237,324,817.70, 24,355,987,226.55 and 7,972,354,385.70 is: 11,958,531,578.55
Step by Step Solution
- Step 1: Write the proportion equation
16,237,324,817.70 : 24,355,987,226.55 = 7,972,354,385.70 : x - Step 2: Convert to fraction form
16,237,324,817.70/24,355,987,226.55 = 7,972,354,385.70/x - Step 3: Cross multiply
16,237,324,817.70x = 24,355,987,226.55 × 7,972,354,385.70 - Step 4: Simplify right side
16,237,324,817.70x = 194,174,561,583,639,068,672 - Step 5: Solve for x
x = 194,174,561,583,639,068,672/16,237,324,817.70 - Step 6: Final answer
x = 11,958,531,578.55
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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.