Finding the Fourth Proportional to 547,481,376.72, 821,232,562.68 and 179,017,716.24
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Solution
The fourth proportional to 547,481,376.72, 821,232,562.68 and 179,017,716.24 is: 268,530,006.91
Step by Step Solution
- Step 1: Write the proportion equation
547,481,376.72 : 821,232,562.68 = 179,017,716.24 : x - Step 2: Convert to fraction form
547,481,376.72/821,232,562.68 = 179,017,716.24/x - Step 3: Cross multiply
547,481,376.72x = 821,232,562.68 × 179,017,716.24 - Step 4: Simplify right side
547,481,376.72x = 147,015,177,872,896,256 - Step 5: Solve for x
x = 147,015,177,872,896,256/547,481,376.72 - Step 6: Final answer
x = 268,530,006.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.