Finding the Fourth Proportional to 436,393,152.42, 602,235,317.84 and 238,167,361.23
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Solution
The fourth proportional to 436,393,152.42, 602,235,317.84 and 238,167,361.23 is: 328,677,926.53
Step by Step Solution
- Step 1: Write the proportion equation
436,393,152.42 : 602,235,317.84 = 238,167,361.23 : x - Step 2: Convert to fraction form
436,393,152.42/602,235,317.84 = 238,167,361.23/x - Step 3: Cross multiply
436,393,152.42x = 602,235,317.84 × 238,167,361.23 - Step 4: Simplify right side
436,393,152.42x = 143,432,796,488,272,304 - Step 5: Solve for x
x = 143,432,796,488,272,304/436,393,152.42 - Step 6: Final answer
x = 328,677,926.53
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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.