Finding the Fourth Proportional to 372,542,722.05, 514,085,792.01 and 205,269,622.49
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Solution
The fourth proportional to 372,542,722.05, 514,085,792.01 and 205,269,622.49 is: 283,259,315.52
Step by Step Solution
- Step 1: Write the proportion equation
372,542,722.05 : 514,085,792.01 = 205,269,622.49 : x - Step 2: Convert to fraction form
372,542,722.05/514,085,792.01 = 205,269,622.49/x - Step 3: Cross multiply
372,542,722.05x = 514,085,792.01 × 205,269,622.49 - Step 4: Simplify right side
372,542,722.05x = 105,526,196,450,794,928 - Step 5: Solve for x
x = 105,526,196,450,794,928/372,542,722.05 - Step 6: Final answer
x = 283,259,315.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.