Finding the Fourth Proportional to 1,703,659,315.68, 2,351,051,427.60 and 921,378,163.68
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Solution
The fourth proportional to 1,703,659,315.68, 2,351,051,427.60 and 921,378,163.68 is: 1,271,502,716.03
Step by Step Solution
- Step 1: Write the proportion equation
1,703,659,315.68 : 2,351,051,427.60 = 921,378,163.68 : x - Step 2: Convert to fraction form
1,703,659,315.68/2,351,051,427.60 = 921,378,163.68/x - Step 3: Cross multiply
1,703,659,315.68x = 2,351,051,427.60 × 921,378,163.68 - Step 4: Simplify right side
1,703,659,315.68x = 2,166,207,447,079,330,304 - Step 5: Solve for x
x = 2,166,207,447,079,330,304/1,703,659,315.68 - Step 6: Final answer
x = 1,271,502,716.03
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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.