Finding the Fourth Proportional to 7,188,458,679.14, 10,783,846,673.99 and 2,214,178,221.23
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Solution
The fourth proportional to 7,188,458,679.14, 10,783,846,673.99 and 2,214,178,221.23 is: 3,321,624,219.09
Step by Step Solution
- Step 1: Write the proportion equation
7,188,458,679.14 : 10,783,846,673.99 = 2,214,178,221.23 : x - Step 2: Convert to fraction form
7,188,458,679.14/10,783,846,673.99 = 2,214,178,221.23/x - Step 3: Cross multiply
7,188,458,679.14x = 10,783,846,673.99 × 2,214,178,221.23 - Step 4: Simplify right side
7,188,458,679.14x = 23,877,358,446,567,239,680 - Step 5: Solve for x
x = 23,877,358,446,567,239,680/7,188,458,679.14 - Step 6: Final answer
x = 3,321,624,219.09
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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.