Finding the Fourth Proportional to 372,542,723.05, 514,085,793.39 and 205,269,623.49
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Solution
The fourth proportional to 372,542,723.05, 514,085,793.39 and 205,269,623.49 is: 283,259,316.91
Step by Step Solution
- Step 1: Write the proportion equation
372,542,723.05 : 514,085,793.39 = 205,269,623.49 : x - Step 2: Convert to fraction form
372,542,723.05/514,085,793.39 = 205,269,623.49/x - Step 3: Cross multiply
372,542,723.05x = 514,085,793.39 × 205,269,623.49 - Step 4: Simplify right side
372,542,723.05x = 105,526,197,250,723,232 - Step 5: Solve for x
x = 105,526,197,250,723,232/372,542,723.05 - Step 6: Final answer
x = 283,259,316.91
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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.