Finding the Fourth Proportional to 14,161,212,614.12, 19,542,535,825.84 and 7,817,632,573.96
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Solution
The fourth proportional to 14,161,212,614.12, 19,542,535,825.84 and 7,817,632,573.96 is: 10,788,367,409.83
Step by Step Solution
- Step 1: Write the proportion equation
14,161,212,614.12 : 19,542,535,825.84 = 7,817,632,573.96 : x - Step 2: Convert to fraction form
14,161,212,614.12/19,542,535,825.84 = 7,817,632,573.96/x - Step 3: Cross multiply
14,161,212,614.12x = 19,542,535,825.84 × 7,817,632,573.96 - Step 4: Simplify right side
14,161,212,614.12x = 152,776,364,649,867,083,776 - Step 5: Solve for x
x = 152,776,364,649,867,083,776/14,161,212,614.12 - Step 6: Final answer
x = 10,788,367,409.83
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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.