Finding the Fourth Proportional to 259,456,318.56, 358,438,624.20 and 170,359,644.42
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Solution
The fourth proportional to 259,456,318.56, 358,438,624.20 and 170,359,644.42 is: 235,351,664.99
Step by Step Solution
- Step 1: Write the proportion equation
259,456,318.56 : 358,438,624.20 = 170,359,644.42 : x - Step 2: Convert to fraction form
259,456,318.56/358,438,624.20 = 170,359,644.42/x - Step 3: Cross multiply
259,456,318.56x = 358,438,624.20 × 170,359,644.42 - Step 4: Simplify right side
259,456,318.56x = 61,063,476,565,106,000 - Step 5: Solve for x
x = 61,063,476,565,106,000/259,456,318.56 - Step 6: Final answer
x = 235,351,664.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.