Finding the Fourth Proportional to 2,143,569,882.94, 3,214,998,193.18 and 649,246,145.17
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Solution
The fourth proportional to 2,143,569,882.94, 3,214,998,193.18 and 649,246,145.17 is: 973,761,201.01
Step by Step Solution
- Step 1: Write the proportion equation
2,143,569,882.94 : 3,214,998,193.18 = 649,246,145.17 : x - Step 2: Convert to fraction form
2,143,569,882.94/3,214,998,193.18 = 649,246,145.17/x - Step 3: Cross multiply
2,143,569,882.94x = 3,214,998,193.18 × 649,246,145.17 - Step 4: Simplify right side
2,143,569,882.94x = 2,087,325,183,648,312,064 - Step 5: Solve for x
x = 2,087,325,183,648,312,064/2,143,569,882.94 - Step 6: Final answer
x = 973,761,201.01
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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.