Finding the Fourth Proportional to 5,391,848,120.40, 8,087,772,180.60 and 4,412,296,069.20
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Solution
The fourth proportional to 5,391,848,120.40, 8,087,772,180.60 and 4,412,296,069.20 is: 6,618,444,103.80
Step by Step Solution
- Step 1: Write the proportion equation
5,391,848,120.40 : 8,087,772,180.60 = 4,412,296,069.20 : x - Step 2: Convert to fraction form
5,391,848,120.40/8,087,772,180.60 = 4,412,296,069.20/x - Step 3: Cross multiply
5,391,848,120.40x = 8,087,772,180.60 × 4,412,296,069.20 - Step 4: Simplify right side
5,391,848,120.40x = 35,685,645,401,046,491,136 - Step 5: Solve for x
x = 35,685,645,401,046,491,136/5,391,848,120.40 - Step 6: Final answer
x = 6,618,444,103.80
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1.5x scale
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.