Finding the Fourth Proportional to 2,163,074,563.55, 3,244,576,388.56 and 689,194,350.74
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Solution
The fourth proportional to 2,163,074,563.55, 3,244,576,388.56 and 689,194,350.74 is: 1,033,780,228.95
Step by Step Solution
- Step 1: Write the proportion equation
2,163,074,563.55 : 3,244,576,388.56 = 689,194,350.74 : x - Step 2: Convert to fraction form
2,163,074,563.55/3,244,576,388.56 = 689,194,350.74/x - Step 3: Cross multiply
2,163,074,563.55x = 3,244,576,388.56 × 689,194,350.74 - Step 4: Simplify right side
2,163,074,563.55x = 2,236,143,717,539,943,168 - Step 5: Solve for x
x = 2,236,143,717,539,943,168/2,163,074,563.55 - Step 6: Final answer
x = 1,033,780,228.95
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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.