Finding the Fourth Proportional to 7,102,701,755.70, 9,960,108,325.50 and 7,102,701,755.70
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Solution
The fourth proportional to 7,102,701,755.70, 9,960,108,325.50 and 7,102,701,755.70 is: 9,960,108,325.50
Step by Step Solution
- Step 1: Write the proportion equation
7,102,701,755.70 : 9,960,108,325.50 = 7,102,701,755.70 : x - Step 2: Convert to fraction form
7,102,701,755.70/9,960,108,325.50 = 7,102,701,755.70/x - Step 3: Cross multiply
7,102,701,755.70x = 9,960,108,325.50 × 7,102,701,755.70 - Step 4: Simplify right side
7,102,701,755.70x = 70,743,678,890,491,035,648 - Step 5: Solve for x
x = 70,743,678,890,491,035,648/7,102,701,755.70 - Step 6: Final answer
x = 9,960,108,325.50
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.