Finding the Fourth Proportional to 3,103,392,249.80, 4,657,355,856.30 and 2,185,062,201.80
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Solution
The fourth proportional to 3,103,392,249.80, 4,657,355,856.30 and 2,185,062,201.80 is: 3,279,189,809.99
Step by Step Solution
- Step 1: Write the proportion equation
3,103,392,249.80 : 4,657,355,856.30 = 2,185,062,201.80 : x - Step 2: Convert to fraction form
3,103,392,249.80/4,657,355,856.30 = 2,185,062,201.80/x - Step 3: Cross multiply
3,103,392,249.80x = 4,657,355,856.30 × 2,185,062,201.80 - Step 4: Simplify right side
3,103,392,249.80x = 10,176,612,241,933,002,752 - Step 5: Solve for x
x = 10,176,612,241,933,002,752/3,103,392,249.80 - Step 6: Final answer
x = 3,279,189,809.99
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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.