Finding the Fourth Proportional to 3,665,542,355.24, 5,058,615,022.68 and 2,160,232,238.12
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Solution
The fourth proportional to 3,665,542,355.24, 5,058,615,022.68 and 2,160,232,238.12 is: 2,981,218,655.57
Step by Step Solution
- Step 1: Write the proportion equation
3,665,542,355.24 : 5,058,615,022.68 = 2,160,232,238.12 : x - Step 2: Convert to fraction form
3,665,542,355.24/5,058,615,022.68 = 2,160,232,238.12/x - Step 3: Cross multiply
3,665,542,355.24x = 5,058,615,022.68 × 2,160,232,238.12 - Step 4: Simplify right side
3,665,542,355.24x = 10,927,783,252,231,471,104 - Step 5: Solve for x
x = 10,927,783,252,231,471,104/3,665,542,355.24 - Step 6: Final answer
x = 2,981,218,655.57
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1.5x scale
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.