Finding the Fourth Proportional to 2,407,803,539.80, 3,611,705,309.70 and 2,040,471,520.60
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Solution
The fourth proportional to 2,407,803,539.80, 3,611,705,309.70 and 2,040,471,520.60 is: 3,060,707,280.90
Step by Step Solution
- Step 1: Write the proportion equation
2,407,803,539.80 : 3,611,705,309.70 = 2,040,471,520.60 : x - Step 2: Convert to fraction form
2,407,803,539.80/3,611,705,309.70 = 2,040,471,520.60/x - Step 3: Cross multiply
2,407,803,539.80x = 3,611,705,309.70 × 2,040,471,520.60 - Step 4: Simplify right side
2,407,803,539.80x = 7,369,581,825,242,652,672 - Step 5: Solve for x
x = 7,369,581,825,242,652,672/2,407,803,539.80 - Step 6: Final answer
x = 3,060,707,280.90
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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.