Finding the Fourth Proportional to 10,900,733,757.23, 15,045,811,485.07 and 7,099,728,471.09
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Solution
The fourth proportional to 10,900,733,757.23, 15,045,811,485.07 and 7,099,728,471.09 is: 9,799,448,234.42
Step by Step Solution
- Step 1: Write the proportion equation
10,900,733,757.23 : 15,045,811,485.07 = 7,099,728,471.09 : x - Step 2: Convert to fraction form
10,900,733,757.23/15,045,811,485.07 = 7,099,728,471.09/x - Step 3: Cross multiply
10,900,733,757.23x = 15,045,811,485.07 × 7,099,728,471.09 - Step 4: Simplify right side
10,900,733,757.23x = 106,821,176,171,204,395,008 - Step 5: Solve for x
x = 106,821,176,171,204,395,008/10,900,733,757.23 - Step 6: Final answer
x = 9,799,448,234.42
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Double scale
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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.