Finding the Fourth Proportional to 300,437,176.38, 449,879,632.38 and 207,351,381.42
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Solution
The fourth proportional to 300,437,176.38, 449,879,632.38 and 207,351,381.42 is: 310,491,412.45
Step by Step Solution
- Step 1: Write the proportion equation
300,437,176.38 : 449,879,632.38 = 207,351,381.42 : x - Step 2: Convert to fraction form
300,437,176.38/449,879,632.38 = 207,351,381.42/x - Step 3: Cross multiply
300,437,176.38x = 449,879,632.38 × 207,351,381.42 - Step 4: Simplify right side
300,437,176.38x = 93,283,163,246,714,752 - Step 5: Solve for x
x = 93,283,163,246,714,752/300,437,176.38 - Step 6: Final answer
x = 310,491,412.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.