Finding the Fourth Proportional to 265,464,101.70, 398,196,152.55 and 220,114,469.70
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Solution
The fourth proportional to 265,464,101.70, 398,196,152.55 and 220,114,469.70 is: 330,171,704.55
Step by Step Solution
- Step 1: Write the proportion equation
265,464,101.70 : 398,196,152.55 = 220,114,469.70 : x - Step 2: Convert to fraction form
265,464,101.70/398,196,152.55 = 220,114,469.70/x - Step 3: Cross multiply
265,464,101.70x = 398,196,152.55 × 220,114,469.70 - Step 4: Simplify right side
265,464,101.70x = 87,648,734,955,123,552 - Step 5: Solve for x
x = 87,648,734,955,123,552/265,464,101.70 - Step 6: Final answer
x = 330,171,704.55
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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.