Finding the Fourth Proportional to 3,129,124,701,727.80, 4,693,687,052,591.60 and 895,746,024,991.80
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Solution
The fourth proportional to 3,129,124,701,727.80, 4,693,687,052,591.60 and 895,746,024,991.80 is: 1,343,619,037,487.67
Step by Step Solution
- Step 1: Write the proportion equation
3,129,124,701,727.80 : 4,693,687,052,591.60 = 895,746,024,991.80 : x - Step 2: Convert to fraction form
3,129,124,701,727.80/4,693,687,052,591.60 = 895,746,024,991.80/x - Step 3: Cross multiply
3,129,124,701,727.80x = 4,693,687,052,591.60 × 895,746,024,991.80 - Step 4: Simplify right side
3,129,124,701,727.80x = 4,204,351,519,914,403,435,642,880 - Step 5: Solve for x
x = 4,204,351,519,914,403,435,642,880/3,129,124,701,727.80 - Step 6: Final answer
x = 1,343,619,037,487.67
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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.