Finding the Fourth Proportional to 4,812,556,548.74, 7,213,739,907.11 and 1,618,784,725.19
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Solution
The fourth proportional to 4,812,556,548.74, 7,213,739,907.11 and 1,618,784,725.19 is: 2,426,463,326.68
Step by Step Solution
- Step 1: Write the proportion equation
4,812,556,548.74 : 7,213,739,907.11 = 1,618,784,725.19 : x - Step 2: Convert to fraction form
4,812,556,548.74/7,213,739,907.11 = 1,618,784,725.19/x - Step 3: Cross multiply
4,812,556,548.74x = 7,213,739,907.11 × 1,618,784,725.19 - Step 4: Simplify right side
4,812,556,548.74x = 11,677,491,973,079,033,856 - Step 5: Solve for x
x = 11,677,491,973,079,033,856/4,812,556,548.74 - Step 6: Final answer
x = 2,426,463,326.68
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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.