Finding the Fourth Proportional to 4,235,264,481.69, 6,340,628,686.77 and 3,190,403,137.59
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Solution
The fourth proportional to 4,235,264,481.69, 6,340,628,686.77 and 3,190,403,137.59 is: 4,776,363,257.60
Step by Step Solution
- Step 1: Write the proportion equation
4,235,264,481.69 : 6,340,628,686.77 = 3,190,403,137.59 : x - Step 2: Convert to fraction form
4,235,264,481.69/6,340,628,686.77 = 3,190,403,137.59/x - Step 3: Cross multiply
4,235,264,481.69x = 6,340,628,686.77 × 3,190,403,137.59 - Step 4: Simplify right side
4,235,264,481.69x = 20,229,161,656,564,170,752 - Step 5: Solve for x
x = 20,229,161,656,564,170,752/4,235,264,481.69 - Step 6: Final answer
x = 4,776,363,257.60
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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.