Finding the Fourth Proportional to 5,171,647,539.42, 7,757,471,399.47 and 1,241,353,696.79
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Solution
The fourth proportional to 5,171,647,539.42, 7,757,471,399.47 and 1,241,353,696.79 is: 1,862,030,566.87
Step by Step Solution
- Step 1: Write the proportion equation
5,171,647,539.42 : 7,757,471,399.47 = 1,241,353,696.79 : x - Step 2: Convert to fraction form
5,171,647,539.42/7,757,471,399.47 = 1,241,353,696.79/x - Step 3: Cross multiply
5,171,647,539.42x = 7,757,471,399.47 × 1,241,353,696.79 - Step 4: Simplify right side
5,171,647,539.42x = 9,629,765,799,468,572,672 - Step 5: Solve for x
x = 9,629,765,799,468,572,672/5,171,647,539.42 - Step 6: Final answer
x = 1,862,030,566.87
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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.