Finding the Fourth Proportional to 798,192,657.98, 1,093,505,674.40 and 768,349,982.28
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Solution
The fourth proportional to 798,192,657.98, 1,093,505,674.40 and 768,349,982.28 is: 1,052,621,891.66
Step by Step Solution
- Step 1: Write the proportion equation
798,192,657.98 : 1,093,505,674.40 = 768,349,982.28 : x - Step 2: Convert to fraction form
798,192,657.98/1,093,505,674.40 = 768,349,982.28/x - Step 3: Cross multiply
798,192,657.98x = 1,093,505,674.40 × 768,349,982.28 - Step 4: Simplify right side
798,192,657.98x = 840,195,065,544,477,696 - Step 5: Solve for x
x = 840,195,065,544,477,696/798,192,657.98 - Step 6: Final answer
x = 1,052,621,891.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.