Finding the Fourth Proportional to 16,320,331,248.70, 24,480,496,873.05 and 9,789,984,240.70
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Solution
The fourth proportional to 16,320,331,248.70, 24,480,496,873.05 and 9,789,984,240.70 is: 14,684,976,361.05
Step by Step Solution
- Step 1: Write the proportion equation
16,320,331,248.70 : 24,480,496,873.05 = 9,789,984,240.70 : x - Step 2: Convert to fraction form
16,320,331,248.70/24,480,496,873.05 = 9,789,984,240.70/x - Step 3: Cross multiply
16,320,331,248.70x = 24,480,496,873.05 × 9,789,984,240.70 - Step 4: Simplify right side
16,320,331,248.70x = 239,663,678,591,665,143,808 - Step 5: Solve for x
x = 239,663,678,591,665,143,808/16,320,331,248.70 - Step 6: Final answer
x = 14,684,976,361.05
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Double scale
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Similar ratio
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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.