Finding the Fourth Proportional to 7,444,277,041.80, 11,166,415,562.70 and 6,876,060,324.60
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Solution
The fourth proportional to 7,444,277,041.80, 11,166,415,562.70 and 6,876,060,324.60 is: 10,314,090,486.90
Step by Step Solution
- Step 1: Write the proportion equation
7,444,277,041.80 : 11,166,415,562.70 = 6,876,060,324.60 : x - Step 2: Convert to fraction form
7,444,277,041.80/11,166,415,562.70 = 6,876,060,324.60/x - Step 3: Cross multiply
7,444,277,041.80x = 11,166,415,562.70 × 6,876,060,324.60 - Step 4: Simplify right side
7,444,277,041.80x = 76,780,947,018,677,469,184 - Step 5: Solve for x
x = 76,780,947,018,677,469,184/7,444,277,041.80 - Step 6: Final answer
x = 10,314,090,486.90
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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.