Finding the Fourth Proportional to 665,696,545.20, 998,544,817.80 and 277,797,759.30
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Solution
The fourth proportional to 665,696,545.20, 998,544,817.80 and 277,797,759.30 is: 416,696,638.95
Step by Step Solution
- Step 1: Write the proportion equation
665,696,545.20 : 998,544,817.80 = 277,797,759.30 : x - Step 2: Convert to fraction form
665,696,545.20/998,544,817.80 = 277,797,759.30/x - Step 3: Cross multiply
665,696,545.20x = 998,544,817.80 × 277,797,759.30 - Step 4: Simplify right side
665,696,545.20x = 277,393,512,945,466,752 - Step 5: Solve for x
x = 277,393,512,945,466,752/665,696,545.20 - Step 6: Final answer
x = 416,696,638.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.