Finding the Fourth Proportional to 18,487,149,933.96, 25,512,266,908.26 and 10,566,723,331.08
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Solution
The fourth proportional to 18,487,149,933.96, 25,512,266,908.26 and 10,566,723,331.08 is: 14,582,078,196.54
Step by Step Solution
- Step 1: Write the proportion equation
18,487,149,933.96 : 25,512,266,908.26 = 10,566,723,331.08 : x - Step 2: Convert to fraction form
18,487,149,933.96/25,512,266,908.26 = 10,566,723,331.08/x - Step 3: Cross multiply
18,487,149,933.96x = 25,512,266,908.26 × 10,566,723,331.08 - Step 4: Simplify right side
18,487,149,933.96x = 269,581,065,968,251,142,144 - Step 5: Solve for x
x = 269,581,065,968,251,142,144/18,487,149,933.96 - Step 6: Final answer
x = 14,582,078,196.54
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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.