Finding the Fourth Proportional to 819,151,614.53, 1,228,750,315.36 and 266,454,044.80
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Solution
The fourth proportional to 819,151,614.53, 1,228,750,315.36 and 266,454,044.80 is: 399,688,514.03
Step by Step Solution
- Step 1: Write the proportion equation
819,151,614.53 : 1,228,750,315.36 = 266,454,044.80 : x - Step 2: Convert to fraction form
819,151,614.53/1,228,750,315.36 = 266,454,044.80/x - Step 3: Cross multiply
819,151,614.53x = 1,228,750,315.36 × 266,454,044.80 - Step 4: Simplify right side
819,151,614.53x = 327,405,491,576,947,584 - Step 5: Solve for x
x = 327,405,491,576,947,584/819,151,614.53 - Step 6: Final answer
x = 399,688,514.03
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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.