Finding the Fourth Proportional to 300,923,930.22, 415,320,415.53 and 183,517,366.42
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Solution
The fourth proportional to 300,923,930.22, 415,320,415.53 and 183,517,366.42 is: 253,281,647.70
Step by Step Solution
- Step 1: Write the proportion equation
300,923,930.22 : 415,320,415.53 = 183,517,366.42 : x - Step 2: Convert to fraction form
300,923,930.22/415,320,415.53 = 183,517,366.42/x - Step 3: Cross multiply
300,923,930.22x = 415,320,415.53 × 183,517,366.42 - Step 4: Simplify right side
300,923,930.22x = 76,218,508,878,525,664 - Step 5: Solve for x
x = 76,218,508,878,525,664/300,923,930.22 - Step 6: Final answer
x = 253,281,647.70
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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.