Finding the Fourth Proportional to 371,077,763.84, 512,093,481.72 and 203,829,489.92
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Solution
The fourth proportional to 371,077,763.84, 512,093,481.72 and 203,829,489.92 is: 281,288,083.91
Step by Step Solution
- Step 1: Write the proportion equation
371,077,763.84 : 512,093,481.72 = 203,829,489.92 : x - Step 2: Convert to fraction form
371,077,763.84/512,093,481.72 = 203,829,489.92/x - Step 3: Cross multiply
371,077,763.84x = 512,093,481.72 × 203,829,489.92 - Step 4: Simplify right side
371,077,763.84x = 104,379,753,170,344,448 - Step 5: Solve for x
x = 104,379,753,170,344,448/371,077,763.84 - Step 6: Final answer
x = 281,288,083.91
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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.