Finding the Fourth Proportional to 7,652,880,212.40, 11,479,320,318.60 and 5,802,615,226.80
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Solution
The fourth proportional to 7,652,880,212.40, 11,479,320,318.60 and 5,802,615,226.80 is: 8,703,922,840.20
Step by Step Solution
- Step 1: Write the proportion equation
7,652,880,212.40 : 11,479,320,318.60 = 5,802,615,226.80 : x - Step 2: Convert to fraction form
7,652,880,212.40/11,479,320,318.60 = 5,802,615,226.80/x - Step 3: Cross multiply
7,652,880,212.40x = 11,479,320,318.60 × 5,802,615,226.80 - Step 4: Simplify right side
7,652,880,212.40x = 66,610,078,874,022,993,920 - Step 5: Solve for x
x = 66,610,078,874,022,993,920/7,652,880,212.40 - Step 6: Final answer
x = 8,703,922,840.20
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1.5x scale
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.