Finding the Fourth Proportional to 7,558,287,190.20, 11,337,430,785.30 and 3,688,451,926.20
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Solution
The fourth proportional to 7,558,287,190.20, 11,337,430,785.30 and 3,688,451,926.20 is: 5,532,677,889.30
Step by Step Solution
- Step 1: Write the proportion equation
7,558,287,190.20 : 11,337,430,785.30 = 3,688,451,926.20 : x - Step 2: Convert to fraction form
7,558,287,190.20/11,337,430,785.30 = 3,688,451,926.20/x - Step 3: Cross multiply
7,558,287,190.20x = 11,337,430,785.30 × 3,688,451,926.20 - Step 4: Simplify right side
7,558,287,190.20x = 41,817,568,418,198,962,176 - Step 5: Solve for x
x = 41,817,568,418,198,962,176/7,558,287,190.20 - Step 6: Final answer
x = 5,532,677,889.30
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Double scale
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Similar ratio
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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.