Finding the Fourth Proportional to 3,665,542,354.24, 5,058,615,021.28 and 2,160,232,237.12
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Solution
The fourth proportional to 3,665,542,354.24, 5,058,615,021.28 and 2,160,232,237.12 is: 2,981,218,654.18
Step by Step Solution
- Step 1: Write the proportion equation
3,665,542,354.24 : 5,058,615,021.28 = 2,160,232,237.12 : x - Step 2: Convert to fraction form
3,665,542,354.24/5,058,615,021.28 = 2,160,232,237.12/x - Step 3: Cross multiply
3,665,542,354.24x = 5,058,615,021.28 × 2,160,232,237.12 - Step 4: Simplify right side
3,665,542,354.24x = 10,927,783,244,148,529,152 - Step 5: Solve for x
x = 10,927,783,244,148,529,152/3,665,542,354.24 - Step 6: Final answer
x = 2,981,218,654.18
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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.