Finding the Fourth Proportional to 770,874,608.58, 1,156,175,227.83 and 350,597,538.60
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Solution
The fourth proportional to 770,874,608.58, 1,156,175,227.83 and 350,597,538.60 is: 525,834,142.88
Step by Step Solution
- Step 1: Write the proportion equation
770,874,608.58 : 1,156,175,227.83 = 350,597,538.60 : x - Step 2: Convert to fraction form
770,874,608.58/1,156,175,227.83 = 350,597,538.60/x - Step 3: Cross multiply
770,874,608.58x = 1,156,175,227.83 × 350,597,538.60 - Step 4: Simplify right side
770,874,608.58x = 405,352,189,067,492,224 - Step 5: Solve for x
x = 405,352,189,067,492,224/770,874,608.58 - Step 6: Final answer
x = 525,834,142.88
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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.