Finding the Fourth Proportional to 3,476,310,015.80, 5,214,465,023.70 and 1,639,649,919.80
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Solution
The fourth proportional to 3,476,310,015.80, 5,214,465,023.70 and 1,639,649,919.80 is: 2,459,474,879.70
Step by Step Solution
- Step 1: Write the proportion equation
3,476,310,015.80 : 5,214,465,023.70 = 1,639,649,919.80 : x - Step 2: Convert to fraction form
3,476,310,015.80/5,214,465,023.70 = 1,639,649,919.80/x - Step 3: Cross multiply
3,476,310,015.80x = 5,214,465,023.70 × 1,639,649,919.80 - Step 4: Simplify right side
3,476,310,015.80x = 8,549,897,157,909,609,472 - Step 5: Solve for x
x = 8,549,897,157,909,609,472/3,476,310,015.80 - Step 6: Final answer
x = 2,459,474,879.70
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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.