Finding the Fourth Proportional to 336,354,469.80, 504,531,704.70 and 220,128,323.10
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Solution
The fourth proportional to 336,354,469.80, 504,531,704.70 and 220,128,323.10 is: 330,192,484.65
Step by Step Solution
- Step 1: Write the proportion equation
336,354,469.80 : 504,531,704.70 = 220,128,323.10 : x - Step 2: Convert to fraction form
336,354,469.80/504,531,704.70 = 220,128,323.10/x - Step 3: Cross multiply
336,354,469.80x = 504,531,704.70 × 220,128,323.10 - Step 4: Simplify right side
336,354,469.80x = 111,061,718,106,395,376 - Step 5: Solve for x
x = 111,061,718,106,395,376/336,354,469.80 - Step 6: Final answer
x = 330,192,484.65
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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.