Finding the Fourth Proportional to 349,045,586.49, 481,686,231.29 and 192,418,311.09
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Solution
The fourth proportional to 349,045,586.49, 481,686,231.29 and 192,418,311.09 is: 265,539,100.58
Step by Step Solution
- Step 1: Write the proportion equation
349,045,586.49 : 481,686,231.29 = 192,418,311.09 : x - Step 2: Convert to fraction form
349,045,586.49/481,686,231.29 = 192,418,311.09/x - Step 3: Cross multiply
349,045,586.49x = 481,686,231.29 × 192,418,311.09 - Step 4: Simplify right side
349,045,586.49x = 92,685,251,099,166,832 - Step 5: Solve for x
x = 92,685,251,099,166,832/349,045,586.49 - Step 6: Final answer
x = 265,539,100.58
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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.