Finding the Fourth Proportional to 8,815,474,357.88, 12,166,213,905.42 and 6,583,932,341.24
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Solution
The fourth proportional to 8,815,474,357.88, 12,166,213,905.42 and 6,583,932,341.24 is: 9,086,468,402.09
Step by Step Solution
- Step 1: Write the proportion equation
8,815,474,357.88 : 12,166,213,905.42 = 6,583,932,341.24 : x - Step 2: Convert to fraction form
8,815,474,357.88/12,166,213,905.42 = 6,583,932,341.24/x - Step 3: Cross multiply
8,815,474,357.88x = 12,166,213,905.42 × 6,583,932,341.24 - Step 4: Simplify right side
8,815,474,357.88x = 80,101,529,202,338,545,664 - Step 5: Solve for x
x = 80,101,529,202,338,545,664/8,815,474,357.88 - Step 6: Final answer
x = 9,086,468,402.09
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.