Finding the Fourth Proportional to 2,247,550,710,657.80, 3,101,622,276,183 and 1,219,882,511,462.90
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Solution
The fourth proportional to 2,247,550,710,657.80, 3,101,622,276,183 and 1,219,882,511,462.90 is: 1,683,439,111,712.87
Step by Step Solution
- Step 1: Write the proportion equation
2,247,550,710,657.80 : 3,101,622,276,183 = 1,219,882,511,462.90 : x - Step 2: Convert to fraction form
2,247,550,710,657.80/3,101,622,276,183 = 1,219,882,511,462.90/x - Step 3: Cross multiply
2,247,550,710,657.80x = 3,101,622,276,183 × 1,219,882,511,462.90 - Step 4: Simplify right side
2,247,550,710,657.80x = 3,783,614,771,879,394,385,330,176 - Step 5: Solve for x
x = 3,783,614,771,879,394,385,330,176/2,247,550,710,657.80 - Step 6: Final answer
x = 1,683,439,111,712.87
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Double scale
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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.