Finding the Fourth Proportional to 1,647,363,416.97, 2,273,405,910.27 and 969,227,704.35
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Solution
The fourth proportional to 1,647,363,416.97, 2,273,405,910.27 and 969,227,704.35 is: 1,337,560,351.75
Step by Step Solution
- Step 1: Write the proportion equation
1,647,363,416.97 : 2,273,405,910.27 = 969,227,704.35 : x - Step 2: Convert to fraction form
1,647,363,416.97/2,273,405,910.27 = 969,227,704.35/x - Step 3: Cross multiply
1,647,363,416.97x = 2,273,405,910.27 × 969,227,704.35 - Step 4: Simplify right side
1,647,363,416.97x = 2,203,447,991,466,714,112 - Step 5: Solve for x
x = 2,203,447,991,466,714,112/1,647,363,416.97 - Step 6: Final answer
x = 1,337,560,351.75
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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.