Finding the Fourth Proportional to 7,102,701,767.70, 9,960,108,342.30 and 7,102,701,767.70
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Solution
The fourth proportional to 7,102,701,767.70, 9,960,108,342.30 and 7,102,701,767.70 is: 9,960,108,342.30
Step by Step Solution
- Step 1: Write the proportion equation
7,102,701,767.70 : 9,960,108,342.30 = 7,102,701,767.70 : x - Step 2: Convert to fraction form
7,102,701,767.70/9,960,108,342.30 = 7,102,701,767.70/x - Step 3: Cross multiply
7,102,701,767.70x = 9,960,108,342.30 × 7,102,701,767.70 - Step 4: Simplify right side
7,102,701,767.70x = 70,743,679,129,337,716,736 - Step 5: Solve for x
x = 70,743,679,129,337,716,736/7,102,701,767.70 - Step 6: Final answer
x = 9,960,108,342.30
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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.