Finding the Fourth Proportional to 5,244,912,251.20, 7,867,186,418.40 and 1,314,652,801.60
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Solution
The fourth proportional to 5,244,912,251.20, 7,867,186,418.40 and 1,314,652,801.60 is: 1,971,933,593.99
Step by Step Solution
- Step 1: Write the proportion equation
5,244,912,251.20 : 7,867,186,418.40 = 1,314,652,801.60 : x - Step 2: Convert to fraction form
5,244,912,251.20/7,867,186,418.40 = 1,314,652,801.60/x - Step 3: Cross multiply
5,244,912,251.20x = 7,867,186,418.40 × 1,314,652,801.60 - Step 4: Simplify right side
5,244,912,251.20x = 10,342,618,665,659,029,504 - Step 5: Solve for x
x = 10,342,618,665,659,029,504/5,244,912,251.20 - Step 6: Final answer
x = 1,971,933,593.99
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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.