Finding the Fourth Proportional to 331,777,246.20, 497,665,869.30 and 249,364,087.80
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Solution
The fourth proportional to 331,777,246.20, 497,665,869.30 and 249,364,087.80 is: 374,046,131.70
Step by Step Solution
- Step 1: Write the proportion equation
331,777,246.20 : 497,665,869.30 = 249,364,087.80 : x - Step 2: Convert to fraction form
331,777,246.20/497,665,869.30 = 249,364,087.80/x - Step 3: Cross multiply
331,777,246.20x = 497,665,869.30 × 249,364,087.80 - Step 4: Simplify right side
331,777,246.20x = 124,099,995,527,188,528 - Step 5: Solve for x
x = 124,099,995,527,188,528/331,777,246.20 - Step 6: Final answer
x = 374,046,131.70
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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.