Finding the Fourth Proportional to 494,805,756.48, 682,750,014.84 and 285,981,344.88
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Solution
The fourth proportional to 494,805,756.48, 682,750,014.84 and 285,981,344.88 is: 394,606,903.63
Step by Step Solution
- Step 1: Write the proportion equation
494,805,756.48 : 682,750,014.84 = 285,981,344.88 : x - Step 2: Convert to fraction form
494,805,756.48/682,750,014.84 = 285,981,344.88/x - Step 3: Cross multiply
494,805,756.48x = 682,750,014.84 × 285,981,344.88 - Step 4: Simplify right side
494,805,756.48x = 195,253,767,460,783,168 - Step 5: Solve for x
x = 195,253,767,460,783,168/494,805,756.48 - Step 6: Final answer
x = 394,606,903.63
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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.