Finding the Fourth Proportional to 2,019,109,552.20, 3,028,664,328.30 and 1,329,795,145.80
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Solution
The fourth proportional to 2,019,109,552.20, 3,028,664,328.30 and 1,329,795,145.80 is: 1,994,692,718.70
Step by Step Solution
- Step 1: Write the proportion equation
2,019,109,552.20 : 3,028,664,328.30 = 1,329,795,145.80 : x - Step 2: Convert to fraction form
2,019,109,552.20/3,028,664,328.30 = 1,329,795,145.80/x - Step 3: Cross multiply
2,019,109,552.20x = 3,028,664,328.30 × 1,329,795,145.80 - Step 4: Simplify right side
2,019,109,552.20x = 4,027,503,122,030,957,568 - Step 5: Solve for x
x = 4,027,503,122,030,957,568/2,019,109,552.20 - Step 6: Final answer
x = 1,994,692,718.70
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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.