Finding the Fourth Proportional to 324,177,416.42, 448,118,799.37 and 289,241,481.53
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Solution
The fourth proportional to 324,177,416.42, 448,118,799.37 and 289,241,481.53 is: 399,825,956.00
Step by Step Solution
- Step 1: Write the proportion equation
324,177,416.42 : 448,118,799.37 = 289,241,481.53 : x - Step 2: Convert to fraction form
324,177,416.42/448,118,799.37 = 289,241,481.53/x - Step 3: Cross multiply
324,177,416.42x = 448,118,799.37 × 289,241,481.53 - Step 4: Simplify right side
324,177,416.42x = 129,614,545,431,620,832 - Step 5: Solve for x
x = 129,614,545,431,620,832/324,177,416.42 - Step 6: Final answer
x = 399,825,956.00
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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.