Finding the Fourth Proportional to 4,419,026,390.97, 6,629,412,809.79 and 1,621,020,914.28
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Solution
The fourth proportional to 4,419,026,390.97, 6,629,412,809.79 and 1,621,020,914.28 is: 2,431,851,693.85
Step by Step Solution
- Step 1: Write the proportion equation
4,419,026,390.97 : 6,629,412,809.79 = 1,621,020,914.28 : x - Step 2: Convert to fraction form
4,419,026,390.97/6,629,412,809.79 = 1,621,020,914.28/x - Step 3: Cross multiply
4,419,026,390.97x = 6,629,412,809.79 × 1,621,020,914.28 - Step 4: Simplify right side
4,419,026,390.97x = 10,746,416,814,065,330,176 - Step 5: Solve for x
x = 10,746,416,814,065,330,176/4,419,026,390.97 - Step 6: Final answer
x = 2,431,851,693.85
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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.