Finding the Fourth Proportional to 16,246,448,781.36, 22,410,600,680.84 and 10,215,405,871.80
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Solution
The fourth proportional to 16,246,448,781.36, 22,410,600,680.84 and 10,215,405,871.80 is: 14,091,287,571.00
Step by Step Solution
- Step 1: Write the proportion equation
16,246,448,781.36 : 22,410,600,680.84 = 10,215,405,871.80 : x - Step 2: Convert to fraction form
16,246,448,781.36/22,410,600,680.84 = 10,215,405,871.80/x - Step 3: Cross multiply
16,246,448,781.36x = 22,410,600,680.84 × 10,215,405,871.80 - Step 4: Simplify right side
16,246,448,781.36x = 228,933,381,785,617,989,632 - Step 5: Solve for x
x = 228,933,381,785,617,989,632/16,246,448,781.36 - Step 6: Final answer
x = 14,091,287,571.00
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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.