Finding the Fourth Proportional to 365,370,842.85, 504,218,306.28 and 198,112,746.08
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Solution
The fourth proportional to 365,370,842.85, 504,218,306.28 and 198,112,746.08 is: 273,399,137.43
Step by Step Solution
- Step 1: Write the proportion equation
365,370,842.85 : 504,218,306.28 = 198,112,746.08 : x - Step 2: Convert to fraction form
365,370,842.85/504,218,306.28 = 198,112,746.08/x - Step 3: Cross multiply
365,370,842.85x = 504,218,306.28 × 198,112,746.08 - Step 4: Simplify right side
365,370,842.85x = 99,892,073,278,416,208 - Step 5: Solve for x
x = 99,892,073,278,416,208/365,370,842.85 - Step 6: Final answer
x = 273,399,137.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.