Finding the Fourth Proportional to 535,233,083.68, 737,245,435.86 and 378,330,442.84
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Solution
The fourth proportional to 535,233,083.68, 737,245,435.86 and 378,330,442.84 is: 521,123,227.87
Step by Step Solution
- Step 1: Write the proportion equation
535,233,083.68 : 737,245,435.86 = 378,330,442.84 : x - Step 2: Convert to fraction form
535,233,083.68/737,245,435.86 = 378,330,442.84/x - Step 3: Cross multiply
535,233,083.68x = 737,245,435.86 × 378,330,442.84 - Step 4: Simplify right side
535,233,083.68x = 278,922,392,230,682,592 - Step 5: Solve for x
x = 278,922,392,230,682,592/535,233,083.68 - Step 6: Final answer
x = 521,123,227.87
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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.