Finding the Fourth Proportional to 4,910,629,528.80, 6,776,589,455.28 and 2,682,913,770.72
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Solution
The fourth proportional to 4,910,629,528.80, 6,776,589,455.28 and 2,682,913,770.72 is: 3,702,377,681.20
Step by Step Solution
- Step 1: Write the proportion equation
4,910,629,528.80 : 6,776,589,455.28 = 2,682,913,770.72 : x - Step 2: Convert to fraction form
4,910,629,528.80/6,776,589,455.28 = 2,682,913,770.72/x - Step 3: Cross multiply
4,910,629,528.80x = 6,776,589,455.28 × 2,682,913,770.72 - Step 4: Simplify right side
4,910,629,528.80x = 18,181,005,168,086,652,928 - Step 5: Solve for x
x = 18,181,005,168,086,652,928/4,910,629,528.80 - Step 6: Final answer
x = 3,702,377,681.20
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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.