Finding the Fourth Proportional to 2,695,042,309.80, 4,042,563,464.70 and 1,647,465,810.60
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Solution
The fourth proportional to 2,695,042,309.80, 4,042,563,464.70 and 1,647,465,810.60 is: 2,471,198,715.90
Step by Step Solution
- Step 1: Write the proportion equation
2,695,042,309.80 : 4,042,563,464.70 = 1,647,465,810.60 : x - Step 2: Convert to fraction form
2,695,042,309.80/4,042,563,464.70 = 1,647,465,810.60/x - Step 3: Cross multiply
2,695,042,309.80x = 4,042,563,464.70 × 1,647,465,810.60 - Step 4: Simplify right side
2,695,042,309.80x = 6,659,985,095,273,929,728 - Step 5: Solve for x
x = 6,659,985,095,273,929,728/2,695,042,309.80 - Step 6: Final answer
x = 2,471,198,715.90
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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.