Finding the Fourth Proportional to 8,088,993,312.40, 12,133,489,968.60 and 5,638,097,645.20
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Solution
The fourth proportional to 8,088,993,312.40, 12,133,489,968.60 and 5,638,097,645.20 is: 8,457,146,467.80
Step by Step Solution
- Step 1: Write the proportion equation
8,088,993,312.40 : 12,133,489,968.60 = 5,638,097,645.20 : x - Step 2: Convert to fraction form
8,088,993,312.40/12,133,489,968.60 = 5,638,097,645.20/x - Step 3: Cross multiply
8,088,993,312.40x = 12,133,489,968.60 × 5,638,097,645.20 - Step 4: Simplify right side
8,088,993,312.40x = 68,409,801,220,021,485,568 - Step 5: Solve for x
x = 68,409,801,220,021,485,568/8,088,993,312.40 - Step 6: Final answer
x = 8,457,146,467.80
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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.