Finding the Fourth Proportional to 5,167,299,557.70, 7,750,949,336.55 and 1,486,804,912.20
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Solution
The fourth proportional to 5,167,299,557.70, 7,750,949,336.55 and 1,486,804,912.20 is: 2,230,207,368.30
Step by Step Solution
- Step 1: Write the proportion equation
5,167,299,557.70 : 7,750,949,336.55 = 1,486,804,912.20 : x - Step 2: Convert to fraction form
5,167,299,557.70/7,750,949,336.55 = 1,486,804,912.20/x - Step 3: Cross multiply
5,167,299,557.70x = 7,750,949,336.55 × 1,486,804,912.20 - Step 4: Simplify right side
5,167,299,557.70x = 11,524,149,547,795,871,744 - Step 5: Solve for x
x = 11,524,149,547,795,871,744/5,167,299,557.70 - Step 6: Final answer
x = 2,230,207,368.30
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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.