Finding the Fourth Proportional to 7,558,287,451.70, 11,337,431,177.55 and 5,191,036,661.30
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Solution
The fourth proportional to 7,558,287,451.70, 11,337,431,177.55 and 5,191,036,661.30 is: 7,786,554,991.95
Step by Step Solution
- Step 1: Write the proportion equation
7,558,287,451.70 : 11,337,431,177.55 = 5,191,036,661.30 : x - Step 2: Convert to fraction form
7,558,287,451.70/11,337,431,177.55 = 5,191,036,661.30/x - Step 3: Cross multiply
7,558,287,451.70x = 11,337,431,177.55 × 5,191,036,661.30 - Step 4: Simplify right side
7,558,287,451.70x = 58,853,020,887,627,677,696 - Step 5: Solve for x
x = 58,853,020,887,627,677,696/7,558,287,451.70 - Step 6: Final answer
x = 7,786,554,991.95
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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.