Finding the Fourth Proportional to 13,315,193,797.51, 18,368,000,992.91 and 8,232,933,132.48
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Solution
The fourth proportional to 13,315,193,797.51, 18,368,000,992.91 and 8,232,933,132.48 is: 11,357,140,290.38
Step by Step Solution
- Step 1: Write the proportion equation
13,315,193,797.51 : 18,368,000,992.91 = 8,232,933,132.48 : x - Step 2: Convert to fraction form
13,315,193,797.51/18,368,000,992.91 = 8,232,933,132.48/x - Step 3: Cross multiply
13,315,193,797.51x = 18,368,000,992.91 × 8,232,933,132.48 - Step 4: Simplify right side
13,315,193,797.51x = 151,222,523,951,913,107,456 - Step 5: Solve for x
x = 151,222,523,951,913,107,456/13,315,193,797.51 - Step 6: Final answer
x = 11,357,140,290.38
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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.