Finding the Fourth Proportional to 438,351,296, 604,917,375.36 and 242,776,808.96
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Solution
The fourth proportional to 438,351,296, 604,917,375.36 and 242,776,808.96 is: 335,027,890.68
Step by Step Solution
- Step 1: Write the proportion equation
438,351,296 : 604,917,375.36 = 242,776,808.96 : x - Step 2: Convert to fraction form
438,351,296/604,917,375.36 = 242,776,808.96/x - Step 3: Cross multiply
438,351,296x = 604,917,375.36 × 242,776,808.96 - Step 4: Simplify right side
438,351,296x = 146,859,910,074,359,328 - Step 5: Solve for x
x = 146,859,910,074,359,328/438,351,296 - Step 6: Final answer
x = 335,027,890.68
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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.