Finding the Fourth Proportional to 504,478,198.17, 696,179,605.55 and 272,691,190.17
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Solution
The fourth proportional to 504,478,198.17, 696,179,605.55 and 272,691,190.17 is: 376,313,675.99
Step by Step Solution
- Step 1: Write the proportion equation
504,478,198.17 : 696,179,605.55 = 272,691,190.17 : x - Step 2: Convert to fraction form
504,478,198.17/696,179,605.55 = 272,691,190.17/x - Step 3: Cross multiply
504,478,198.17x = 696,179,605.55 × 272,691,190.17 - Step 4: Simplify right side
504,478,198.17x = 189,842,045,208,147,168 - Step 5: Solve for x
x = 189,842,045,208,147,168/504,478,198.17 - Step 6: Final answer
x = 376,313,675.99
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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.