Finding the Fourth Proportional to 7,558,282,132.20, 11,337,423,198.30 and 7,282,783,117.80
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Solution
The fourth proportional to 7,558,282,132.20, 11,337,423,198.30 and 7,282,783,117.80 is: 10,924,174,676.70
Step by Step Solution
- Step 1: Write the proportion equation
7,558,282,132.20 : 11,337,423,198.30 = 7,282,783,117.80 : x - Step 2: Convert to fraction form
7,558,282,132.20/11,337,423,198.30 = 7,282,783,117.80/x - Step 3: Cross multiply
7,558,282,132.20x = 11,337,423,198.30 × 7,282,783,117.80 - Step 4: Simplify right side
7,558,282,132.20x = 82,567,994,267,933,310,976 - Step 5: Solve for x
x = 82,567,994,267,933,310,976/7,558,282,132.20 - Step 6: Final answer
x = 10,924,174,676.70
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Double scale
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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.