Finding the Fourth Proportional to 3,188,652,262.80, 4,782,978,394.20 and 2,029,260,577.20
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Solution
The fourth proportional to 3,188,652,262.80, 4,782,978,394.20 and 2,029,260,577.20 is: 3,043,890,865.80
Step by Step Solution
- Step 1: Write the proportion equation
3,188,652,262.80 : 4,782,978,394.20 = 2,029,260,577.20 : x - Step 2: Convert to fraction form
3,188,652,262.80/4,782,978,394.20 = 2,029,260,577.20/x - Step 3: Cross multiply
3,188,652,262.80x = 4,782,978,394.20 × 2,029,260,577.20 - Step 4: Simplify right side
3,188,652,262.80x = 9,705,909,496,949,420,032 - Step 5: Solve for x
x = 9,705,909,496,949,420,032/3,188,652,262.80 - Step 6: Final answer
x = 3,043,890,865.80
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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.