Finding the Fourth Proportional to 3,168,343,653.40, 4,752,515,480.10 and 2,896,021,912.60
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Solution
The fourth proportional to 3,168,343,653.40, 4,752,515,480.10 and 2,896,021,912.60 is: 4,344,032,868.90
Step by Step Solution
- Step 1: Write the proportion equation
3,168,343,653.40 : 4,752,515,480.10 = 2,896,021,912.60 : x - Step 2: Convert to fraction form
3,168,343,653.40/4,752,515,480.10 = 2,896,021,912.60/x - Step 3: Cross multiply
3,168,343,653.40x = 4,752,515,480.10 × 2,896,021,912.60 - Step 4: Simplify right side
3,168,343,653.40x = 13,763,388,970,340,308,992 - Step 5: Solve for x
x = 13,763,388,970,340,308,992/3,168,343,653.40 - Step 6: Final answer
x = 4,344,032,868.90
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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.