Finding the Fourth Proportional to 6,349,792,990.84, 8,763,205,072.62 and 3,809,570,552.80
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Solution
The fourth proportional to 6,349,792,990.84, 8,763,205,072.62 and 3,809,570,552.80 is: 5,257,501,786.43
Step by Step Solution
- Step 1: Write the proportion equation
6,349,792,990.84 : 8,763,205,072.62 = 3,809,570,552.80 : x - Step 2: Convert to fraction form
6,349,792,990.84/8,763,205,072.62 = 3,809,570,552.80/x - Step 3: Cross multiply
6,349,792,990.84x = 8,763,205,072.62 × 3,809,570,552.80 - Step 4: Simplify right side
6,349,792,990.84x = 33,384,047,992,800,743,424 - Step 5: Solve for x
x = 33,384,047,992,800,743,424/6,349,792,990.84 - Step 6: Final answer
x = 5,257,501,786.43
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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.