Finding the Fourth Proportional to 220,110,538.05, 330,165,807.08 and 220,110,538.05
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Solution
The fourth proportional to 220,110,538.05, 330,165,807.08 and 220,110,538.05 is: 330,165,807.08
Step by Step Solution
- Step 1: Write the proportion equation
220,110,538.05 : 330,165,807.08 = 220,110,538.05 : x - Step 2: Convert to fraction form
220,110,538.05/330,165,807.08 = 220,110,538.05/x - Step 3: Cross multiply
220,110,538.05x = 330,165,807.08 × 220,110,538.05 - Step 4: Simplify right side
220,110,538.05x = 72,672,973,440,990,752 - Step 5: Solve for x
x = 72,672,973,440,990,752/220,110,538.05 - Step 6: Final answer
x = 330,165,807.08
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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.