Finding the Fourth Proportional to 272,173,467.70, 408,260,201.55 and 272,173,467.70
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Solution
The fourth proportional to 272,173,467.70, 408,260,201.55 and 272,173,467.70 is: 408,260,201.55
Step by Step Solution
- Step 1: Write the proportion equation
272,173,467.70 : 408,260,201.55 = 272,173,467.70 : x - Step 2: Convert to fraction form
272,173,467.70/408,260,201.55 = 272,173,467.70/x - Step 3: Cross multiply
272,173,467.70x = 408,260,201.55 × 272,173,467.70 - Step 4: Simplify right side
272,173,467.70x = 111,117,594,779,764,416 - Step 5: Solve for x
x = 111,117,594,779,764,416/272,173,467.70 - Step 6: Final answer
x = 408,260,201.55
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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.