Finding the Fourth Proportional to 252,318,628,208.29, 378,478,912,752.99 and 61,090,347,290.60
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Solution
The fourth proportional to 252,318,628,208.29, 378,478,912,752.99 and 61,090,347,290.60 is: 91,635,755,894.98
Step by Step Solution
- Step 1: Write the proportion equation
252,318,628,208.29 : 378,478,912,752.99 = 61,090,347,290.60 : x - Step 2: Convert to fraction form
252,318,628,208.29/378,478,912,752.99 = 61,090,347,290.60/x - Step 3: Cross multiply
252,318,628,208.29x = 378,478,912,752.99 × 61,090,347,290.60 - Step 4: Simplify right side
252,318,628,208.29x = 23,121,408,222,250,368,237,568 - Step 5: Solve for x
x = 23,121,408,222,250,368,237,568/252,318,628,208.29 - Step 6: Final answer
x = 91,635,755,894.98
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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.