Finding the Fourth Proportional to 874,145,311,211.66, 1,206,239,574,975.60 and 483,503,467,310.46
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Solution
The fourth proportional to 874,145,311,211.66, 1,206,239,574,975.60 and 483,503,467,310.46 is: 667,190,007,688.07
Step by Step Solution
- Step 1: Write the proportion equation
874,145,311,211.66 : 1,206,239,574,975.60 = 483,503,467,310.46 : x - Step 2: Convert to fraction form
874,145,311,211.66/1,206,239,574,975.60 = 483,503,467,310.46/x - Step 3: Cross multiply
874,145,311,211.66x = 1,206,239,574,975.60 × 483,503,467,310.46 - Step 4: Simplify right side
874,145,311,211.66x = 583,221,016,907,798,244,491,264 - Step 5: Solve for x
x = 583,221,016,907,798,244,491,264/874,145,311,211.66 - Step 6: Final answer
x = 667,190,007,688.07
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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.