Finding the Fourth Proportional to 3,794,438,834.66, 5,236,489,227.94 and 2,100,893,511.80
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Solution
The fourth proportional to 3,794,438,834.66, 5,236,489,227.94 and 2,100,893,511.80 is: 2,899,323,647.83
Step by Step Solution
- Step 1: Write the proportion equation
3,794,438,834.66 : 5,236,489,227.94 = 2,100,893,511.80 : x - Step 2: Convert to fraction form
3,794,438,834.66/5,236,489,227.94 = 2,100,893,511.80/x - Step 3: Cross multiply
3,794,438,834.66x = 5,236,489,227.94 × 2,100,893,511.80 - Step 4: Simplify right side
3,794,438,834.66x = 11,001,306,243,589,736,448 - Step 5: Solve for x
x = 11,001,306,243,589,736,448/3,794,438,834.66 - Step 6: Final answer
x = 2,899,323,647.83
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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.