Finding the Fourth Proportional to 414,463,949.84, 572,010,405.30 and 235,891,255.55
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Solution
The fourth proportional to 414,463,949.84, 572,010,405.30 and 235,891,255.55 is: 325,558,477.99
Step by Step Solution
- Step 1: Write the proportion equation
414,463,949.84 : 572,010,405.30 = 235,891,255.55 : x - Step 2: Convert to fraction form
414,463,949.84/572,010,405.30 = 235,891,255.55/x - Step 3: Cross multiply
414,463,949.84x = 572,010,405.30 × 235,891,255.55 - Step 4: Simplify right side
414,463,949.84x = 134,932,252,691,021,296 - Step 5: Solve for x
x = 134,932,252,691,021,296/414,463,949.84 - Step 6: Final answer
x = 325,558,477.99
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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.