Finding the Fourth Proportional to 414,420,244.88, 621,323,910.26 and 250,621,586.18
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Solution
The fourth proportional to 414,420,244.88, 621,323,910.26 and 250,621,586.18 is: 375,747,048.67
Step by Step Solution
- Step 1: Write the proportion equation
414,420,244.88 : 621,323,910.26 = 250,621,586.18 : x - Step 2: Convert to fraction form
414,420,244.88/621,323,910.26 = 250,621,586.18/x - Step 3: Cross multiply
414,420,244.88x = 621,323,910.26 × 250,621,586.18 - Step 4: Simplify right side
414,420,244.88x = 155,717,183,919,834,944 - Step 5: Solve for x
x = 155,717,183,919,834,944/414,420,244.88 - Step 6: Final answer
x = 375,747,048.67
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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.