Finding the Fourth Proportional to 5,392,079,088.80, 8,088,118,633.20 and 4,472,993,213.60
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Solution
The fourth proportional to 5,392,079,088.80, 8,088,118,633.20 and 4,472,993,213.60 is: 6,709,489,820.40
Step by Step Solution
- Step 1: Write the proportion equation
5,392,079,088.80 : 8,088,118,633.20 = 4,472,993,213.60 : x - Step 2: Convert to fraction form
5,392,079,088.80/8,088,118,633.20 = 4,472,993,213.60/x - Step 3: Cross multiply
5,392,079,088.80x = 8,088,118,633.20 × 4,472,993,213.60 - Step 4: Simplify right side
5,392,079,088.80x = 36,178,099,757,095,309,312 - Step 5: Solve for x
x = 36,178,099,757,095,309,312/5,392,079,088.80 - Step 6: Final answer
x = 6,709,489,820.40
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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.