Finding the Fourth Proportional to 360,463,859.12, 497,449,906.88 and 203,854,385.63
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Solution
The fourth proportional to 360,463,859.12, 497,449,906.88 and 203,854,385.63 is: 281,324,583.81
Step by Step Solution
- Step 1: Write the proportion equation
360,463,859.12 : 497,449,906.88 = 203,854,385.63 : x - Step 2: Convert to fraction form
360,463,859.12/497,449,906.88 = 203,854,385.63/x - Step 3: Cross multiply
360,463,859.12x = 497,449,906.88 × 203,854,385.63 - Step 4: Simplify right side
360,463,859.12x = 101,407,345,145,216,592 - Step 5: Solve for x
x = 101,407,345,145,216,592/360,463,859.12 - Step 6: Final answer
x = 281,324,583.81
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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.