Finding the Fourth Proportional to 347,680,512,108.80, 521,520,768,163.20 and 241,888,890,579.20
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Solution
The fourth proportional to 347,680,512,108.80, 521,520,768,163.20 and 241,888,890,579.20 is: 362,833,335,868.80
Step by Step Solution
- Step 1: Write the proportion equation
347,680,512,108.80 : 521,520,768,163.20 = 241,888,890,579.20 : x - Step 2: Convert to fraction form
347,680,512,108.80/521,520,768,163.20 = 241,888,890,579.20/x - Step 3: Cross multiply
347,680,512,108.80x = 521,520,768,163.20 × 241,888,890,579.20 - Step 4: Simplify right side
347,680,512,108.80x = 126,150,080,025,008,631,971,840 - Step 5: Solve for x
x = 126,150,080,025,008,631,971,840/347,680,512,108.80 - Step 6: Final answer
x = 362,833,335,868.80
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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.