Finding the Fourth Proportional to 3,481,858,828.58, 5,223,477,534.26 and 994,740,930.14
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Solution
The fourth proportional to 3,481,858,828.58, 5,223,477,534.26 and 994,740,930.14 is: 1,492,308,320.58
Step by Step Solution
- Step 1: Write the proportion equation
3,481,858,828.58 : 5,223,477,534.26 = 994,740,930.14 : x - Step 2: Convert to fraction form
3,481,858,828.58/5,223,477,534.26 = 994,740,930.14/x - Step 3: Cross multiply
3,481,858,828.58x = 5,223,477,534.26 × 994,740,930.14 - Step 4: Simplify right side
3,481,858,828.58x = 5,196,006,900,964,094,976 - Step 5: Solve for x
x = 5,196,006,900,964,094,976/3,481,858,828.58 - Step 6: Final answer
x = 1,492,308,320.58
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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.