Finding the Fourth Proportional to 5,219,377,715.88, 7,818,735,311.70 and 4,565,067,556.68
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Solution
The fourth proportional to 5,219,377,715.88, 7,818,735,311.70 and 4,565,067,556.68 is: 6,838,565,217.67
Step by Step Solution
- Step 1: Write the proportion equation
5,219,377,715.88 : 7,818,735,311.70 = 4,565,067,556.68 : x - Step 2: Convert to fraction form
5,219,377,715.88/7,818,735,311.70 = 4,565,067,556.68/x - Step 3: Cross multiply
5,219,377,715.88x = 7,818,735,311.70 × 4,565,067,556.68 - Step 4: Simplify right side
5,219,377,715.88x = 35,693,054,905,709,957,120 - Step 5: Solve for x
x = 35,693,054,905,709,957,120/5,219,377,715.88 - Step 6: Final answer
x = 6,838,565,217.67
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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.