Finding the Fourth Proportional to 7,488,296,882.80, 11,232,445,324.20 and 3,814,976,690.80
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Solution
The fourth proportional to 7,488,296,882.80, 11,232,445,324.20 and 3,814,976,690.80 is: 5,722,465,036.20
Step by Step Solution
- Step 1: Write the proportion equation
7,488,296,882.80 : 11,232,445,324.20 = 3,814,976,690.80 : x - Step 2: Convert to fraction form
7,488,296,882.80/11,232,445,324.20 = 3,814,976,690.80/x - Step 3: Cross multiply
7,488,296,882.80x = 11,232,445,324.20 × 3,814,976,690.80 - Step 4: Simplify right side
7,488,296,882.80x = 42,851,517,092,508,450,816 - Step 5: Solve for x
x = 42,851,517,092,508,450,816/7,488,296,882.80 - Step 6: Final answer
x = 5,722,465,036.20
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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.