Finding the Fourth Proportional to 1,469,784,013.80, 2,204,676,020.70 and 1,297,597,129.80
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Solution
The fourth proportional to 1,469,784,013.80, 2,204,676,020.70 and 1,297,597,129.80 is: 1,946,395,694.70
Step by Step Solution
- Step 1: Write the proportion equation
1,469,784,013.80 : 2,204,676,020.70 = 1,297,597,129.80 : x - Step 2: Convert to fraction form
1,469,784,013.80/2,204,676,020.70 = 1,297,597,129.80/x - Step 3: Cross multiply
1,469,784,013.80x = 2,204,676,020.70 × 1,297,597,129.80 - Step 4: Simplify right side
1,469,784,013.80x = 2,860,781,276,599,204,864 - Step 5: Solve for x
x = 2,860,781,276,599,204,864/1,469,784,013.80 - Step 6: Final answer
x = 1,946,395,694.70
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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.