Finding the Fourth Proportional to 263,364,609.24, 363,438,297.99 and 145,887,361.83
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Solution
The fourth proportional to 263,364,609.24, 363,438,297.99 and 145,887,361.83 is: 201,321,865.66
Step by Step Solution
- Step 1: Write the proportion equation
263,364,609.24 : 363,438,297.99 = 145,887,361.83 : x - Step 2: Convert to fraction form
263,364,609.24/363,438,297.99 = 145,887,361.83/x - Step 3: Cross multiply
263,364,609.24x = 363,438,297.99 × 145,887,361.83 - Step 4: Simplify right side
263,364,609.24x = 53,021,054,481,746,496 - Step 5: Solve for x
x = 53,021,054,481,746,496/263,364,609.24 - Step 6: Final answer
x = 201,321,865.66
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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.