Finding the Fourth Proportional to 8,853,418,697.80, 13,280,128,046.70 and 2,310,317,105.80
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Solution
The fourth proportional to 8,853,418,697.80, 13,280,128,046.70 and 2,310,317,105.80 is: 3,465,475,658.70
Step by Step Solution
- Step 1: Write the proportion equation
8,853,418,697.80 : 13,280,128,046.70 = 2,310,317,105.80 : x - Step 2: Convert to fraction form
8,853,418,697.80/13,280,128,046.70 = 2,310,317,105.80/x - Step 3: Cross multiply
8,853,418,697.80x = 13,280,128,046.70 × 2,310,317,105.80 - Step 4: Simplify right side
8,853,418,697.80x = 30,681,306,993,505,353,728 - Step 5: Solve for x
x = 30,681,306,993,505,353,728/8,853,418,697.80 - Step 6: Final answer
x = 3,465,475,658.70
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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.