Finding the Fourth Proportional to 364,535,974.26, 503,060,914.68 and 197,272,193.56
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Solution
The fourth proportional to 364,535,974.26, 503,060,914.68 and 197,272,193.56 is: 272,236,314.49
Step by Step Solution
- Step 1: Write the proportion equation
364,535,974.26 : 503,060,914.68 = 197,272,193.56 : x - Step 2: Convert to fraction form
364,535,974.26/503,060,914.68 = 197,272,193.56/x - Step 3: Cross multiply
364,535,974.26x = 503,060,914.68 × 197,272,193.56 - Step 4: Simplify right side
364,535,974.26x = 99,239,930,133,223,616 - Step 5: Solve for x
x = 99,239,930,133,223,616/364,535,974.26 - Step 6: Final answer
x = 272,236,314.49
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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.