Finding the Fourth Proportional to 17,968,420,207.20, 26,952,630,310.80 and 17,968,420,207.20
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Solution
The fourth proportional to 17,968,420,207.20, 26,952,630,310.80 and 17,968,420,207.20 is: 26,952,630,310.80
Step by Step Solution
- Step 1: Write the proportion equation
17,968,420,207.20 : 26,952,630,310.80 = 17,968,420,207.20 : x - Step 2: Convert to fraction form
17,968,420,207.20/26,952,630,310.80 = 17,968,420,207.20/x - Step 3: Cross multiply
17,968,420,207.20x = 26,952,630,310.80 × 17,968,420,207.20 - Step 4: Simplify right side
17,968,420,207.20x = 484,296,187,113,769,926,656 - Step 5: Solve for x
x = 484,296,187,113,769,926,656/17,968,420,207.20 - Step 6: Final answer
x = 26,952,630,310.80
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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.