Finding the Fourth Proportional to 244,399,378.20, 367,024,220.10 and 129,608,122.20
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Solution
The fourth proportional to 244,399,378.20, 367,024,220.10 and 129,608,122.20 is: 194,637,647.28
Step by Step Solution
- Step 1: Write the proportion equation
244,399,378.20 : 367,024,220.10 = 129,608,122.20 : x - Step 2: Convert to fraction form
244,399,378.20/367,024,220.10 = 129,608,122.20/x - Step 3: Cross multiply
244,399,378.20x = 367,024,220.10 × 129,608,122.20 - Step 4: Simplify right side
244,399,378.20x = 47,569,319,969,080,504 - Step 5: Solve for x
x = 47,569,319,969,080,504/244,399,378.20 - Step 6: Final answer
x = 194,637,647.28
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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.