Finding the Fourth Proportional to 352,273,904.70, 528,410,857.05 and 255,024,138.30
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Solution
The fourth proportional to 352,273,904.70, 528,410,857.05 and 255,024,138.30 is: 382,536,207.45
Step by Step Solution
- Step 1: Write the proportion equation
352,273,904.70 : 528,410,857.05 = 255,024,138.30 : x - Step 2: Convert to fraction form
352,273,904.70/528,410,857.05 = 255,024,138.30/x - Step 3: Cross multiply
352,273,904.70x = 528,410,857.05 × 255,024,138.30 - Step 4: Simplify right side
352,273,904.70x = 134,757,523,487,540,736 - Step 5: Solve for x
x = 134,757,523,487,540,736/352,273,904.70 - Step 6: Final answer
x = 382,536,207.45
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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.