Finding the Fourth Proportional to 366,444,672.24, 505,937,156.24 and 281,520,537.68
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Solution
The fourth proportional to 366,444,672.24, 505,937,156.24 and 281,520,537.68 is: 388,685,417.05
Step by Step Solution
- Step 1: Write the proportion equation
366,444,672.24 : 505,937,156.24 = 281,520,537.68 : x - Step 2: Convert to fraction form
366,444,672.24/505,937,156.24 = 281,520,537.68/x - Step 3: Cross multiply
366,444,672.24x = 505,937,156.24 × 281,520,537.68 - Step 4: Simplify right side
366,444,672.24x = 142,431,700,256,974,976 - Step 5: Solve for x
x = 142,431,700,256,974,976/366,444,672.24 - Step 6: Final answer
x = 388,685,417.05
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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.