Finding the Fourth Proportional to 6,379,218,070.20, 9,570,618,695.70 and 3,107,773,999.80
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Solution
The fourth proportional to 6,379,218,070.20, 9,570,618,695.70 and 3,107,773,999.80 is: 4,662,533,811.70
Step by Step Solution
- Step 1: Write the proportion equation
6,379,218,070.20 : 9,570,618,695.70 = 3,107,773,999.80 : x - Step 2: Convert to fraction form
6,379,218,070.20/9,570,618,695.70 = 3,107,773,999.80/x - Step 3: Cross multiply
6,379,218,070.20x = 9,570,618,695.70 × 3,107,773,999.80 - Step 4: Simplify right side
6,379,218,070.20x = 29,743,319,944,496,250,880 - Step 5: Solve for x
x = 29,743,319,944,496,250,880/6,379,218,070.20 - Step 6: Final answer
x = 4,662,533,811.70
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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.