Finding the Fourth Proportional to 489,449,045.44, 734,181,353.52 and 272,478,463.12
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Solution
The fourth proportional to 489,449,045.44, 734,181,353.52 and 272,478,463.12 is: 408,722,028.82
Step by Step Solution
- Step 1: Write the proportion equation
489,449,045.44 : 734,181,353.52 = 272,478,463.12 : x - Step 2: Convert to fraction form
489,449,045.44/734,181,353.52 = 272,478,463.12/x - Step 3: Cross multiply
489,449,045.44x = 734,181,353.52 × 272,478,463.12 - Step 4: Simplify right side
489,449,045.44x = 200,048,606,858,491,008 - Step 5: Solve for x
x = 200,048,606,858,491,008/489,449,045.44 - Step 6: Final answer
x = 408,722,028.82
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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.