Finding the Fourth Proportional to 331,777,668.10, 497,666,502.15 and 170,235,933.70
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Solution
The fourth proportional to 331,777,668.10, 497,666,502.15 and 170,235,933.70 is: 255,353,900.55
Step by Step Solution
- Step 1: Write the proportion equation
331,777,668.10 : 497,666,502.15 = 170,235,933.70 : x - Step 2: Convert to fraction form
331,777,668.10/497,666,502.15 = 170,235,933.70/x - Step 3: Cross multiply
331,777,668.10x = 497,666,502.15 × 170,235,933.70 - Step 4: Simplify right side
331,777,668.10x = 84,720,721,664,718,304 - Step 5: Solve for x
x = 84,720,721,664,718,304/331,777,668.10 - Step 6: Final answer
x = 255,353,900.55
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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.