Finding the Fourth Proportional to 271,122,662.16, 374,329,453.41 and 208,286,849.79
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Solution
The fourth proportional to 271,122,662.16, 374,329,453.41 and 208,286,849.79 is: 287,574,273.63
Step by Step Solution
- Step 1: Write the proportion equation
271,122,662.16 : 374,329,453.41 = 208,286,849.79 : x - Step 2: Convert to fraction form
271,122,662.16/374,329,453.41 = 208,286,849.79/x - Step 3: Cross multiply
271,122,662.16x = 374,329,453.41 × 208,286,849.79 - Step 4: Simplify right side
271,122,662.16x = 77,967,902,634,381,472 - Step 5: Solve for x
x = 77,967,902,634,381,472/271,122,662.16 - Step 6: Final answer
x = 287,574,273.63
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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.