Finding the Fourth Proportional to 39,040,379,663.18, 53,876,860,415.82 and 22,123,464,720.62
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Solution
The fourth proportional to 39,040,379,663.18, 53,876,860,415.82 and 22,123,464,720.62 is: 30,531,025,337.12
Step by Step Solution
- Step 1: Write the proportion equation
39,040,379,663.18 : 53,876,860,415.82 = 22,123,464,720.62 : x - Step 2: Convert to fraction form
39,040,379,663.18/53,876,860,415.82 = 22,123,464,720.62/x - Step 3: Cross multiply
39,040,379,663.18x = 53,876,860,415.82 × 22,123,464,720.62 - Step 4: Simplify right side
39,040,379,663.18x = 1,191,942,820,667,161,837,568 - Step 5: Solve for x
x = 1,191,942,820,667,161,837,568/39,040,379,663.18 - Step 6: Final answer
x = 30,531,025,337.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.