Finding the Fourth Proportional to 436,687,216.44, 602,631,272.04 and 238,450,087.68
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Solution
The fourth proportional to 436,687,216.44, 602,631,272.04 and 238,450,087.68 is: 329,062,711.81
Step by Step Solution
- Step 1: Write the proportion equation
436,687,216.44 : 602,631,272.04 = 238,450,087.68 : x - Step 2: Convert to fraction form
436,687,216.44/602,631,272.04 = 238,450,087.68/x - Step 3: Cross multiply
436,687,216.44x = 602,631,272.04 × 238,450,087.68 - Step 4: Simplify right side
436,687,216.44x = 143,697,479,656,647,920 - Step 5: Solve for x
x = 143,697,479,656,647,920/436,687,216.44 - Step 6: Final answer
x = 329,062,711.81
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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.