Finding the Fourth Proportional to 664,302,006.90, 996,453,010.35 and 444,763,729.80
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Solution
The fourth proportional to 664,302,006.90, 996,453,010.35 and 444,763,729.80 is: 667,145,594.70
Step by Step Solution
- Step 1: Write the proportion equation
664,302,006.90 : 996,453,010.35 = 444,763,729.80 : x - Step 2: Convert to fraction form
664,302,006.90/996,453,010.35 = 444,763,729.80/x - Step 3: Cross multiply
664,302,006.90x = 996,453,010.35 × 444,763,729.80 - Step 4: Simplify right side
664,302,006.90x = 443,186,157,453,704,000 - Step 5: Solve for x
x = 443,186,157,453,704,000/664,302,006.90 - Step 6: Final answer
x = 667,145,594.70
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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.