Finding the Fourth Proportional to 327,765,616.10, 491,648,424.15 and 224,453,485.70
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Solution
The fourth proportional to 327,765,616.10, 491,648,424.15 and 224,453,485.70 is: 336,680,228.55
Step by Step Solution
- Step 1: Write the proportion equation
327,765,616.10 : 491,648,424.15 = 224,453,485.70 : x - Step 2: Convert to fraction form
327,765,616.10/491,648,424.15 = 224,453,485.70/x - Step 3: Cross multiply
327,765,616.10x = 491,648,424.15 × 224,453,485.70 - Step 4: Simplify right side
327,765,616.10x = 110,352,202,539,379,552 - Step 5: Solve for x
x = 110,352,202,539,379,552/327,765,616.10 - Step 6: Final answer
x = 336,680,228.55
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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.