Finding the Fourth Proportional to 3,240,324,626.90, 4,860,486,940.35 and 3,113,345,657.30
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Solution
The fourth proportional to 3,240,324,626.90, 4,860,486,940.35 and 3,113,345,657.30 is: 4,670,018,485.95
Step by Step Solution
- Step 1: Write the proportion equation
3,240,324,626.90 : 4,860,486,940.35 = 3,113,345,657.30 : x - Step 2: Convert to fraction form
3,240,324,626.90/4,860,486,940.35 = 3,113,345,657.30/x - Step 3: Cross multiply
3,240,324,626.90x = 4,860,486,940.35 × 3,113,345,657.30 - Step 4: Simplify right side
3,240,324,626.90x = 15,132,375,908,102,039,552 - Step 5: Solve for x
x = 15,132,375,908,102,039,552/3,240,324,626.90 - Step 6: Final answer
x = 4,670,018,485.95
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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.