Finding the Fourth Proportional to 481,215,216.09, 664,059,816.09 and 272,366,874.72
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Solution
The fourth proportional to 481,215,216.09, 664,059,816.09 and 272,366,874.72 is: 375,856,562.07
Step by Step Solution
- Step 1: Write the proportion equation
481,215,216.09 : 664,059,816.09 = 272,366,874.72 : x - Step 2: Convert to fraction form
481,215,216.09/664,059,816.09 = 272,366,874.72/x - Step 3: Cross multiply
481,215,216.09x = 664,059,816.09 × 272,366,874.72 - Step 4: Simplify right side
481,215,216.09x = 180,867,896,735,571,296 - Step 5: Solve for x
x = 180,867,896,735,571,296/481,215,216.09 - Step 6: Final answer
x = 375,856,562.07
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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.