Finding the Fourth Proportional to 5,118,573,724.40, 7,677,860,586.60 and 4,715,465,884.40
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Solution
The fourth proportional to 5,118,573,724.40, 7,677,860,586.60 and 4,715,465,884.40 is: 7,073,198,826.60
Step by Step Solution
- Step 1: Write the proportion equation
5,118,573,724.40 : 7,677,860,586.60 = 4,715,465,884.40 : x - Step 2: Convert to fraction form
5,118,573,724.40/7,677,860,586.60 = 4,715,465,884.40/x - Step 3: Cross multiply
5,118,573,724.40x = 7,677,860,586.60 × 4,715,465,884.40 - Step 4: Simplify right side
5,118,573,724.40x = 36,204,689,661,291,671,552 - Step 5: Solve for x
x = 36,204,689,661,291,671,552/5,118,573,724.40 - Step 6: Final answer
x = 7,073,198,826.60
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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.