Finding the Fourth Proportional to 331,345,890.10, 497,165,239.68 and 173,741,267.62
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Solution
The fourth proportional to 331,345,890.10, 497,165,239.68 and 173,741,267.62 is: 260,688,668.67
Step by Step Solution
- Step 1: Write the proportion equation
331,345,890.10 : 497,165,239.68 = 173,741,267.62 : x - Step 2: Convert to fraction form
331,345,890.10/497,165,239.68 = 173,741,267.62/x - Step 3: Cross multiply
331,345,890.10x = 497,165,239.68 × 173,741,267.62 - Step 4: Simplify right side
331,345,890.10x = 86,378,118,958,604,320 - Step 5: Solve for x
x = 86,378,118,958,604,320/331,345,890.10 - Step 6: Final answer
x = 260,688,668.67
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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.