Finding the Fourth Proportional to 314,496,562.20, 471,744,843.30 and 259,014,121.80
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Solution
The fourth proportional to 314,496,562.20, 471,744,843.30 and 259,014,121.80 is: 388,521,182.70
Step by Step Solution
- Step 1: Write the proportion equation
314,496,562.20 : 471,744,843.30 = 259,014,121.80 : x - Step 2: Convert to fraction form
314,496,562.20/471,744,843.30 = 259,014,121.80/x - Step 3: Cross multiply
314,496,562.20x = 471,744,843.30 × 259,014,121.80 - Step 4: Simplify right side
314,496,562.20x = 122,188,576,301,028,128 - Step 5: Solve for x
x = 122,188,576,301,028,128/314,496,562.20 - Step 6: Final answer
x = 388,521,182.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.