Finding the Fourth Proportional to 775,375,002.06, 1,163,072,629.17 and 257,805,435.66
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Solution
The fourth proportional to 775,375,002.06, 1,163,072,629.17 and 257,805,435.66 is: 386,711,520.32
Step by Step Solution
- Step 1: Write the proportion equation
775,375,002.06 : 1,163,072,629.17 = 257,805,435.66 : x - Step 2: Convert to fraction form
775,375,002.06/1,163,072,629.17 = 257,805,435.66/x - Step 3: Cross multiply
775,375,002.06x = 1,163,072,629.17 × 257,805,435.66 - Step 4: Simplify right side
775,375,002.06x = 299,846,445,867,393,472 - Step 5: Solve for x
x = 299,846,445,867,393,472/775,375,002.06 - Step 6: Final answer
x = 386,711,520.32
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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.