Finding the Fourth Proportional to 2,565,348,746.40, 3,848,023,119.60 and 2,198,016,727.20
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Solution
The fourth proportional to 2,565,348,746.40, 3,848,023,119.60 and 2,198,016,727.20 is: 3,297,025,090.80
Step by Step Solution
- Step 1: Write the proportion equation
2,565,348,746.40 : 3,848,023,119.60 = 2,198,016,727.20 : x - Step 2: Convert to fraction form
2,565,348,746.40/3,848,023,119.60 = 2,198,016,727.20/x - Step 3: Cross multiply
2,565,348,746.40x = 3,848,023,119.60 × 2,198,016,727.20 - Step 4: Simplify right side
2,565,348,746.40x = 8,458,019,183,533,125,632 - Step 5: Solve for x
x = 8,458,019,183,533,125,632/2,565,348,746.40 - Step 6: Final answer
x = 3,297,025,090.80
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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.