Finding the Fourth Proportional to 352,273,902.20, 528,410,853.30 and 255,024,135.80
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Solution
The fourth proportional to 352,273,902.20, 528,410,853.30 and 255,024,135.80 is: 382,536,203.70
Step by Step Solution
- Step 1: Write the proportion equation
352,273,902.20 : 528,410,853.30 = 255,024,135.80 : x - Step 2: Convert to fraction form
352,273,902.20/528,410,853.30 = 255,024,135.80/x - Step 3: Cross multiply
352,273,902.20x = 528,410,853.30 × 255,024,135.80 - Step 4: Simplify right side
352,273,902.20x = 134,757,521,210,173,088 - Step 5: Solve for x
x = 134,757,521,210,173,088/352,273,902.20 - Step 6: Final answer
x = 382,536,203.70
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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.