Finding the Fourth Proportional to 7,558,287,575.70, 11,337,431,363.55 and 5,191,036,785.30
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Solution
The fourth proportional to 7,558,287,575.70, 11,337,431,363.55 and 5,191,036,785.30 is: 7,786,555,177.95
Step by Step Solution
- Step 1: Write the proportion equation
7,558,287,575.70 : 11,337,431,363.55 = 5,191,036,785.30 : x - Step 2: Convert to fraction form
7,558,287,575.70/11,337,431,363.55 = 5,191,036,785.30/x - Step 3: Cross multiply
7,558,287,575.70x = 11,337,431,363.55 × 5,191,036,785.30 - Step 4: Simplify right side
7,558,287,575.70x = 58,853,023,259,001,987,072 - Step 5: Solve for x
x = 58,853,023,259,001,987,072/7,558,287,575.70 - Step 6: Final answer
x = 7,786,555,177.95
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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.