Finding the Fourth Proportional to 406,257,557.06, 560,807,066.47 and 274,277,333.99
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Solution
The fourth proportional to 406,257,557.06, 560,807,066.47 and 274,277,333.99 is: 378,618,598.97
Step by Step Solution
- Step 1: Write the proportion equation
406,257,557.06 : 560,807,066.47 = 274,277,333.99 : x - Step 2: Convert to fraction form
406,257,557.06/560,807,066.47 = 274,277,333.99/x - Step 3: Cross multiply
406,257,557.06x = 560,807,066.47 × 274,277,333.99 - Step 4: Simplify right side
406,257,557.06x = 153,816,667,073,278,752 - Step 5: Solve for x
x = 153,816,667,073,278,752/406,257,557.06 - Step 6: Final answer
x = 378,618,598.97
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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.