Finding the Fourth Proportional to 4,483,643,618.72, 6,722,863,467.28 and 2,122,784,757.66
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Solution
The fourth proportional to 4,483,643,618.72, 6,722,863,467.28 and 2,122,784,757.66 is: 3,182,945,236.01
Step by Step Solution
- Step 1: Write the proportion equation
4,483,643,618.72 : 6,722,863,467.28 = 2,122,784,757.66 : x - Step 2: Convert to fraction form
4,483,643,618.72/6,722,863,467.28 = 2,122,784,757.66/x - Step 3: Cross multiply
4,483,643,618.72x = 6,722,863,467.28 × 2,122,784,757.66 - Step 4: Simplify right side
4,483,643,618.72x = 14,271,192,096,191,481,856 - Step 5: Solve for x
x = 14,271,192,096,191,481,856/4,483,643,618.72 - Step 6: Final answer
x = 3,182,945,236.01
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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.