Finding the Fourth Proportional to 49,660,128,874.80, 74,490,193,312.20 and 44,272,592,593.20
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Solution
The fourth proportional to 49,660,128,874.80, 74,490,193,312.20 and 44,272,592,593.20 is: 66,408,888,889.80
Step by Step Solution
- Step 1: Write the proportion equation
49,660,128,874.80 : 74,490,193,312.20 = 44,272,592,593.20 : x - Step 2: Convert to fraction form
49,660,128,874.80/74,490,193,312.20 = 44,272,592,593.20/x - Step 3: Cross multiply
49,660,128,874.80x = 74,490,193,312.20 × 44,272,592,593.20 - Step 4: Simplify right side
49,660,128,874.80x = 3,297,873,980,699,741,519,872 - Step 5: Solve for x
x = 3,297,873,980,699,741,519,872/49,660,128,874.80 - Step 6: Final answer
x = 66,408,888,889.80
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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.