Finding the Fourth Proportional to 6,355,628,190.84, 8,770,629,468.78 and 3,679,521,212.28
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Solution
The fourth proportional to 6,355,628,190.84, 8,770,629,468.78 and 3,679,521,212.28 is: 5,077,659,706.70
Step by Step Solution
- Step 1: Write the proportion equation
6,355,628,190.84 : 8,770,629,468.78 = 3,679,521,212.28 : x - Step 2: Convert to fraction form
6,355,628,190.84/8,770,629,468.78 = 3,679,521,212.28/x - Step 3: Cross multiply
6,355,628,190.84x = 8,770,629,468.78 × 3,679,521,212.28 - Step 4: Simplify right side
6,355,628,190.84x = 32,271,717,175,424,081,920 - Step 5: Solve for x
x = 32,271,717,175,424,081,920/6,355,628,190.84 - Step 6: Final answer
x = 5,077,659,706.70
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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.