Finding the Fourth Proportional to 13,102,467,609.80, 19,653,701,414.70 and 5,755,827,225.80
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Solution
The fourth proportional to 13,102,467,609.80, 19,653,701,414.70 and 5,755,827,225.80 is: 8,633,740,838.70
Step by Step Solution
- Step 1: Write the proportion equation
13,102,467,609.80 : 19,653,701,414.70 = 5,755,827,225.80 : x - Step 2: Convert to fraction form
13,102,467,609.80/19,653,701,414.70 = 5,755,827,225.80/x - Step 3: Cross multiply
13,102,467,609.80x = 19,653,701,414.70 × 5,755,827,225.80 - Step 4: Simplify right side
13,102,467,609.80x = 113,123,309,690,474,250,240 - Step 5: Solve for x
x = 113,123,309,690,474,250,240/13,102,467,609.80 - Step 6: Final answer
x = 8,633,740,838.70
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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.