Finding the Fourth Proportional to 451,180,190.09, 622,832,675.74 and 284,161,908.80
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Solution
The fourth proportional to 451,180,190.09, 622,832,675.74 and 284,161,908.80 is: 392,271,925.69
Step by Step Solution
- Step 1: Write the proportion equation
451,180,190.09 : 622,832,675.74 = 284,161,908.80 : x - Step 2: Convert to fraction form
451,180,190.09/622,832,675.74 = 284,161,908.80/x - Step 3: Cross multiply
451,180,190.09x = 622,832,675.74 × 284,161,908.80 - Step 4: Simplify right side
451,180,190.09x = 176,985,321,997,465,280 - Step 5: Solve for x
x = 176,985,321,997,465,280/451,180,190.09 - Step 6: Final answer
x = 392,271,925.69
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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.