Finding the Fourth Proportional to 557,638,621.80, 836,457,932.70 and 327,717,853.80
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Solution
The fourth proportional to 557,638,621.80, 836,457,932.70 and 327,717,853.80 is: 491,576,780.70
Step by Step Solution
- Step 1: Write the proportion equation
557,638,621.80 : 836,457,932.70 = 327,717,853.80 : x - Step 2: Convert to fraction form
557,638,621.80/836,457,932.70 = 327,717,853.80/x - Step 3: Cross multiply
557,638,621.80x = 836,457,932.70 × 327,717,853.80 - Step 4: Simplify right side
557,638,621.80x = 274,122,198,498,428,864 - Step 5: Solve for x
x = 274,122,198,498,428,864/557,638,621.80 - Step 6: Final answer
x = 491,576,780.70
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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.