Finding the Fourth Proportional to 629,530,234.70, 944,295,352.05 and 220,533,241.10
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Solution
The fourth proportional to 629,530,234.70, 944,295,352.05 and 220,533,241.10 is: 330,799,861.65
Step by Step Solution
- Step 1: Write the proportion equation
629,530,234.70 : 944,295,352.05 = 220,533,241.10 : x - Step 2: Convert to fraction form
629,530,234.70/944,295,352.05 = 220,533,241.10/x - Step 3: Cross multiply
629,530,234.70x = 944,295,352.05 × 220,533,241.10 - Step 4: Simplify right side
629,530,234.70x = 208,248,514,543,252,000 - Step 5: Solve for x
x = 208,248,514,543,252,000/629,530,234.70 - Step 6: Final answer
x = 330,799,861.65
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1.5x scale
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.