Finding the Fourth Proportional to 4,168,688,537.39, 5,752,890,130.21 and 2,263,530,311.73
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Solution
The fourth proportional to 4,168,688,537.39, 5,752,890,130.21 and 2,263,530,311.73 is: 3,123,726,100.67
Step by Step Solution
- Step 1: Write the proportion equation
4,168,688,537.39 : 5,752,890,130.21 = 2,263,530,311.73 : x - Step 2: Convert to fraction form
4,168,688,537.39/5,752,890,130.21 = 2,263,530,311.73/x - Step 3: Cross multiply
4,168,688,537.39x = 5,752,890,130.21 × 2,263,530,311.73 - Step 4: Simplify right side
4,168,688,537.39x = 13,021,841,189,777,022,976 - Step 5: Solve for x
x = 13,021,841,189,777,022,976/4,168,688,537.39 - Step 6: Final answer
x = 3,123,726,100.67
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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.