Finding the Fourth Proportional to 2,239,092,172.41, 3,091,065,858.60 and 1,392,592,354.26
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Solution
The fourth proportional to 2,239,092,172.41, 3,091,065,858.60 and 1,392,592,354.26 is: 1,922,473,194.38
Step by Step Solution
- Step 1: Write the proportion equation
2,239,092,172.41 : 3,091,065,858.60 = 1,392,592,354.26 : x - Step 2: Convert to fraction form
2,239,092,172.41/3,091,065,858.60 = 1,392,592,354.26/x - Step 3: Cross multiply
2,239,092,172.41x = 3,091,065,858.60 × 1,392,592,354.26 - Step 4: Simplify right side
2,239,092,172.41x = 4,304,594,681,200,482,304 - Step 5: Solve for x
x = 4,304,594,681,200,482,304/2,239,092,172.41 - Step 6: Final answer
x = 1,922,473,194.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.