Finding the Fourth Proportional to 251,615,436,254.44, 377,476,161,261.97 and 81,621,751,674.90
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Solution
The fourth proportional to 251,615,436,254.44, 377,476,161,261.97 and 81,621,751,674.90 is: 122,449,822,460.67
Step by Step Solution
- Step 1: Write the proportion equation
251,615,436,254.44 : 377,476,161,261.97 = 81,621,751,674.90 : x - Step 2: Convert to fraction form
251,615,436,254.44/377,476,161,261.97 = 81,621,751,674.90/x - Step 3: Cross multiply
251,615,436,254.44x = 377,476,161,261.97 × 81,621,751,674.90 - Step 4: Simplify right side
251,615,436,254.44x = 30,810,265,497,719,019,667,456 - Step 5: Solve for x
x = 30,810,265,497,719,019,667,456/251,615,436,254.44 - Step 6: Final answer
x = 122,449,822,460.67
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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.