Finding the Fourth Proportional to 3,719,375,101.67, 5,132,737,353.42 and 2,048,624,243.06
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Solution
The fourth proportional to 3,719,375,101.67, 5,132,737,353.42 and 2,048,624,243.06 is: 2,827,101,297.40
Step by Step Solution
- Step 1: Write the proportion equation
3,719,375,101.67 : 5,132,737,353.42 = 2,048,624,243.06 : x - Step 2: Convert to fraction form
3,719,375,101.67/5,132,737,353.42 = 2,048,624,243.06/x - Step 3: Cross multiply
3,719,375,101.67x = 5,132,737,353.42 × 2,048,624,243.06 - Step 4: Simplify right side
3,719,375,101.67x = 10,515,050,175,450,171,392 - Step 5: Solve for x
x = 10,515,050,175,450,171,392/3,719,375,101.67 - Step 6: Final answer
x = 2,827,101,297.40
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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.