Finding the Fourth Proportional to 219,351,261.12, 327,065,833.43 and 213,324,720.18
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Solution
The fourth proportional to 219,351,261.12, 327,065,833.43 and 213,324,720.18 is: 318,079,900.88
Step by Step Solution
- Step 1: Write the proportion equation
219,351,261.12 : 327,065,833.43 = 213,324,720.18 : x - Step 2: Convert to fraction form
219,351,261.12/327,065,833.43 = 213,324,720.18/x - Step 3: Cross multiply
219,351,261.12x = 327,065,833.43 × 213,324,720.18 - Step 4: Simplify right side
219,351,261.12x = 69,771,227,395,826,624 - Step 5: Solve for x
x = 69,771,227,395,826,624/219,351,261.12 - Step 6: Final answer
x = 318,079,900.88
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.