Finding the Fourth Proportional to 3,180,217,915.68, 4,772,505,891.84 and 1,109,939,677.20
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Solution
The fourth proportional to 3,180,217,915.68, 4,772,505,891.84 and 1,109,939,677.20 is: 1,665,670,023.08
Step by Step Solution
- Step 1: Write the proportion equation
3,180,217,915.68 : 4,772,505,891.84 = 1,109,939,677.20 : x - Step 2: Convert to fraction form
3,180,217,915.68/4,772,505,891.84 = 1,109,939,677.20/x - Step 3: Cross multiply
3,180,217,915.68x = 4,772,505,891.84 × 1,109,939,677.20 - Step 4: Simplify right side
3,180,217,915.68x = 5,297,193,649,023,987,712 - Step 5: Solve for x
x = 5,297,193,649,023,987,712/3,180,217,915.68 - Step 6: Final answer
x = 1,665,670,023.08
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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.