Finding the Fourth Proportional to 892,255,836.80, 1,338,383,755.20 and 708,589,827.20
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Solution
The fourth proportional to 892,255,836.80, 1,338,383,755.20 and 708,589,827.20 is: 1,062,884,740.80
Step by Step Solution
- Step 1: Write the proportion equation
892,255,836.80 : 1,338,383,755.20 = 708,589,827.20 : x - Step 2: Convert to fraction form
892,255,836.80/1,338,383,755.20 = 708,589,827.20/x - Step 3: Cross multiply
892,255,836.80x = 1,338,383,755.20 × 708,589,827.20 - Step 4: Simplify right side
892,255,836.80x = 948,365,113,824,455,168 - Step 5: Solve for x
x = 948,365,113,824,455,168/892,255,836.80 - Step 6: Final answer
x = 1,062,884,740.80
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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.