Finding the Fourth Proportional to 2,659,396,504.20, 3,989,094,756.30 and 2,516,545,163.40
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Solution
The fourth proportional to 2,659,396,504.20, 3,989,094,756.30 and 2,516,545,163.40 is: 3,774,817,745.10
Step by Step Solution
- Step 1: Write the proportion equation
2,659,396,504.20 : 3,989,094,756.30 = 2,516,545,163.40 : x - Step 2: Convert to fraction form
2,659,396,504.20/3,989,094,756.30 = 2,516,545,163.40/x - Step 3: Cross multiply
2,659,396,504.20x = 3,989,094,756.30 × 2,516,545,163.40 - Step 4: Simplify right side
2,659,396,504.20x = 10,038,737,115,311,067,136 - Step 5: Solve for x
x = 10,038,737,115,311,067,136/2,659,396,504.20 - Step 6: Final answer
x = 3,774,817,745.10
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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.