Finding the Fourth Proportional to 2,621,414,184.80, 3,932,094,345.60 and 1,515,315,236.80
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Solution
The fourth proportional to 2,621,414,184.80, 3,932,094,345.60 and 1,515,315,236.80 is: 2,272,957,287.32
Step by Step Solution
- Step 1: Write the proportion equation
2,621,414,184.80 : 3,932,094,345.60 = 1,515,315,236.80 : x - Step 2: Convert to fraction form
2,621,414,184.80/3,932,094,345.60 = 1,515,315,236.80/x - Step 3: Cross multiply
2,621,414,184.80x = 3,932,094,345.60 × 1,515,315,236.80 - Step 4: Simplify right side
2,621,414,184.80x = 5,958,362,474,422,804,480 - Step 5: Solve for x
x = 5,958,362,474,422,804,480/2,621,414,184.80 - Step 6: Final answer
x = 2,272,957,287.32
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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.