Finding the Fourth Proportional to 3,240,324,612.90, 4,860,486,919.35 and 3,188,668,547.70
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Solution
The fourth proportional to 3,240,324,612.90, 4,860,486,919.35 and 3,188,668,547.70 is: 4,783,002,821.55
Step by Step Solution
- Step 1: Write the proportion equation
3,240,324,612.90 : 4,860,486,919.35 = 3,188,668,547.70 : x - Step 2: Convert to fraction form
3,240,324,612.90/4,860,486,919.35 = 3,188,668,547.70/x - Step 3: Cross multiply
3,240,324,612.90x = 4,860,486,919.35 × 3,188,668,547.70 - Step 4: Simplify right side
3,240,324,612.90x = 15,498,481,766,238,611,456 - Step 5: Solve for x
x = 15,498,481,766,238,611,456/3,240,324,612.90 - Step 6: Final answer
x = 4,783,002,821.55
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1.5x scale
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.