Finding the Fourth Proportional to 417,168,515.70, 585,245,245.50 and 417,168,515.70
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Solution
The fourth proportional to 417,168,515.70, 585,245,245.50 and 417,168,515.70 is: 585,245,245.50
Step by Step Solution
- Step 1: Write the proportion equation
417,168,515.70 : 585,245,245.50 = 417,168,515.70 : x - Step 2: Convert to fraction form
417,168,515.70/585,245,245.50 = 417,168,515.70/x - Step 3: Cross multiply
417,168,515.70x = 585,245,245.50 × 417,168,515.70 - Step 4: Simplify right side
417,168,515.70x = 244,145,890,385,717,088 - Step 5: Solve for x
x = 244,145,890,385,717,088/417,168,515.70 - Step 6: Final answer
x = 585,245,245.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.