Finding the Fourth Proportional to 1,753,288,455.96, 2,419,508,163.84 and 949,509,424.44
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Solution
The fourth proportional to 1,753,288,455.96, 2,419,508,163.84 and 949,509,424.44 is: 1,310,306,810.19
Step by Step Solution
- Step 1: Write the proportion equation
1,753,288,455.96 : 2,419,508,163.84 = 949,509,424.44 : x - Step 2: Convert to fraction form
1,753,288,455.96/2,419,508,163.84 = 949,509,424.44/x - Step 3: Cross multiply
1,753,288,455.96x = 2,419,508,163.84 × 949,509,424.44 - Step 4: Simplify right side
1,753,288,455.96x = 2,297,345,804,075,599,872 - Step 5: Solve for x
x = 2,297,345,804,075,599,872/1,753,288,455.96 - Step 6: Final answer
x = 1,310,306,810.19
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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.