Finding the Fourth Proportional to 365,623,106.42, 504,560,845.14 and 198,359,359.07
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Solution
The fourth proportional to 365,623,106.42, 504,560,845.14 and 198,359,359.07 is: 273,736,435.41
Step by Step Solution
- Step 1: Write the proportion equation
365,623,106.42 : 504,560,845.14 = 198,359,359.07 : x - Step 2: Convert to fraction form
365,623,106.42/504,560,845.14 = 198,359,359.07/x - Step 3: Cross multiply
365,623,106.42x = 504,560,845.14 × 198,359,359.07 - Step 4: Simplify right side
365,623,106.42x = 100,084,365,853,787,920 - Step 5: Solve for x
x = 100,084,365,853,787,920/365,623,106.42 - Step 6: Final answer
x = 273,736,435.41
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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.