Finding the Fourth Proportional to 98,118,045,197.80, 147,177,067,796.70 and 98,118,045,197.80
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Solution
The fourth proportional to 98,118,045,197.80, 147,177,067,796.70 and 98,118,045,197.80 is: 147,177,067,796.70
Step by Step Solution
- Step 1: Write the proportion equation
98,118,045,197.80 : 147,177,067,796.70 = 98,118,045,197.80 : x - Step 2: Convert to fraction form
98,118,045,197.80/147,177,067,796.70 = 98,118,045,197.80/x - Step 3: Cross multiply
98,118,045,197.80x = 147,177,067,796.70 × 98,118,045,197.80 - Step 4: Simplify right side
98,118,045,197.80x = 14,440,726,190,156,287,049,728 - Step 5: Solve for x
x = 14,440,726,190,156,287,049,728/98,118,045,197.80 - Step 6: Final answer
x = 147,177,067,796.70
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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.