Finding the Fourth Proportional to 658,299,939.20, 987,449,908.80 and 598,034,529.80
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Solution
The fourth proportional to 658,299,939.20, 987,449,908.80 and 598,034,529.80 is: 897,051,794.70
Step by Step Solution
- Step 1: Write the proportion equation
658,299,939.20 : 987,449,908.80 = 598,034,529.80 : x - Step 2: Convert to fraction form
658,299,939.20/987,449,908.80 = 598,034,529.80/x - Step 3: Cross multiply
658,299,939.20x = 987,449,908.80 × 598,034,529.80 - Step 4: Simplify right side
658,299,939.20x = 590,529,141,910,260,864 - Step 5: Solve for x
x = 590,529,141,910,260,864/658,299,939.20 - Step 6: Final answer
x = 897,051,794.70
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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.