Finding the Fourth Proportional to 664,305,846.90, 996,458,770.35 and 354,369,455.70
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Solution
The fourth proportional to 664,305,846.90, 996,458,770.35 and 354,369,455.70 is: 531,554,183.55
Step by Step Solution
- Step 1: Write the proportion equation
664,305,846.90 : 996,458,770.35 = 354,369,455.70 : x - Step 2: Convert to fraction form
664,305,846.90/996,458,770.35 = 354,369,455.70/x - Step 3: Cross multiply
664,305,846.90x = 996,458,770.35 × 354,369,455.70 - Step 4: Simplify right side
664,305,846.90x = 353,114,552,076,420,800 - Step 5: Solve for x
x = 353,114,552,076,420,800/664,305,846.90 - Step 6: Final answer
x = 531,554,183.55
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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.