Finding the Fourth Proportional to 2,923,509,728.70, 4,385,264,593.05 and 1,449,876,979.80
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Solution
The fourth proportional to 2,923,509,728.70, 4,385,264,593.05 and 1,449,876,979.80 is: 2,174,815,469.70
Step by Step Solution
- Step 1: Write the proportion equation
2,923,509,728.70 : 4,385,264,593.05 = 1,449,876,979.80 : x - Step 2: Convert to fraction form
2,923,509,728.70/4,385,264,593.05 = 1,449,876,979.80/x - Step 3: Cross multiply
2,923,509,728.70x = 4,385,264,593.05 × 1,449,876,979.80 - Step 4: Simplify right side
2,923,509,728.70x = 6,358,094,183,795,210,240 - Step 5: Solve for x
x = 6,358,094,183,795,210,240/2,923,509,728.70 - Step 6: Final answer
x = 2,174,815,469.70
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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.