Finding the Fourth Proportional to 378,364,968.17, 567,802,106.53 and 132,723,927.53
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Solution
The fourth proportional to 378,364,968.17, 567,802,106.53 and 132,723,927.53 is: 199,175,219.64
Step by Step Solution
- Step 1: Write the proportion equation
378,364,968.17 : 567,802,106.53 = 132,723,927.53 : x - Step 2: Convert to fraction form
378,364,968.17/567,802,106.53 = 132,723,927.53/x - Step 3: Cross multiply
378,364,968.17x = 567,802,106.53 × 132,723,927.53 - Step 4: Simplify right side
378,364,968.17x = 75,360,925,638,469,056 - Step 5: Solve for x
x = 75,360,925,638,469,056/378,364,968.17 - Step 6: Final answer
x = 199,175,219.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.