Finding the Fourth Proportional to 535,233,085.68, 737,245,438.60 and 378,330,444.84
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Solution
The fourth proportional to 535,233,085.68, 737,245,438.60 and 378,330,444.84 is: 521,123,230.62
Step by Step Solution
- Step 1: Write the proportion equation
535,233,085.68 : 737,245,438.60 = 378,330,444.84 : x - Step 2: Convert to fraction form
535,233,085.68/737,245,438.60 = 378,330,444.84/x - Step 3: Cross multiply
535,233,085.68x = 737,245,438.60 × 378,330,444.84 - Step 4: Simplify right side
535,233,085.68x = 278,922,394,741,798,912 - Step 5: Solve for x
x = 278,922,394,741,798,912/535,233,085.68 - Step 6: Final answer
x = 521,123,230.62
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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.