Finding the Fourth Proportional to 5,557,168,994.40, 8,335,753,491.60 and 2,802,178,850.40
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Solution
The fourth proportional to 5,557,168,994.40, 8,335,753,491.60 and 2,802,178,850.40 is: 4,203,268,275.60
Step by Step Solution
- Step 1: Write the proportion equation
5,557,168,994.40 : 8,335,753,491.60 = 2,802,178,850.40 : x - Step 2: Convert to fraction form
5,557,168,994.40/8,335,753,491.60 = 2,802,178,850.40/x - Step 3: Cross multiply
5,557,168,994.40x = 8,335,753,491.60 × 2,802,178,850.40 - Step 4: Simplify right side
5,557,168,994.40x = 23,358,272,136,309,477,376 - Step 5: Solve for x
x = 23,358,272,136,309,477,376/5,557,168,994.40 - Step 6: Final answer
x = 4,203,268,275.60
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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.