Finding the Fourth Proportional to 372,542,591.28, 514,085,611.61 and 205,269,491.75
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Solution
The fourth proportional to 372,542,591.28, 514,085,611.61 and 205,269,491.75 is: 283,259,135.14
Step by Step Solution
- Step 1: Write the proportion equation
372,542,591.28 : 514,085,611.61 = 205,269,491.75 : x - Step 2: Convert to fraction form
372,542,591.28/514,085,611.61 = 205,269,491.75/x - Step 3: Cross multiply
372,542,591.28x = 514,085,611.61 × 205,269,491.75 - Step 4: Simplify right side
372,542,591.28x = 105,526,092,209,115,344 - Step 5: Solve for x
x = 105,526,092,209,115,344/372,542,591.28 - Step 6: Final answer
x = 283,259,135.14
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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.