Finding the Fourth Proportional to 3,408,313,243.20, 5,112,469,864.80 and 1,336,968,801.60
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Solution
The fourth proportional to 3,408,313,243.20, 5,112,469,864.80 and 1,336,968,801.60 is: 2,005,453,202.40
Step by Step Solution
- Step 1: Write the proportion equation
3,408,313,243.20 : 5,112,469,864.80 = 1,336,968,801.60 : x - Step 2: Convert to fraction form
3,408,313,243.20/5,112,469,864.80 = 1,336,968,801.60/x - Step 3: Cross multiply
3,408,313,243.20x = 5,112,469,864.80 × 1,336,968,801.60 - Step 4: Simplify right side
3,408,313,243.20x = 6,835,212,708,357,770,240 - Step 5: Solve for x
x = 6,835,212,708,357,770,240/3,408,313,243.20 - Step 6: Final answer
x = 2,005,453,202.40
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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.