Finding the Fourth Proportional to 5,167,299,556.20, 7,750,949,334.30 and 1,486,804,910.70
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Solution
The fourth proportional to 5,167,299,556.20, 7,750,949,334.30 and 1,486,804,910.70 is: 2,230,207,366.05
Step by Step Solution
- Step 1: Write the proportion equation
5,167,299,556.20 : 7,750,949,334.30 = 1,486,804,910.70 : x - Step 2: Convert to fraction form
5,167,299,556.20/7,750,949,334.30 = 1,486,804,910.70/x - Step 3: Cross multiply
5,167,299,556.20x = 7,750,949,334.30 × 1,486,804,910.70 - Step 4: Simplify right side
5,167,299,556.20x = 11,524,149,532,824,135,680 - Step 5: Solve for x
x = 11,524,149,532,824,135,680/5,167,299,556.20 - Step 6: Final answer
x = 2,230,207,366.05
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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.