Finding the Fourth Proportional to 434,419,497.80, 651,629,246.70 and 434,419,497.80
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Solution
The fourth proportional to 434,419,497.80, 651,629,246.70 and 434,419,497.80 is: 651,629,246.70
Step by Step Solution
- Step 1: Write the proportion equation
434,419,497.80 : 651,629,246.70 = 434,419,497.80 : x - Step 2: Convert to fraction form
434,419,497.80/651,629,246.70 = 434,419,497.80/x - Step 3: Cross multiply
434,419,497.80x = 651,629,246.70 × 434,419,497.80 - Step 4: Simplify right side
434,419,497.80x = 283,080,450,103,206,336 - Step 5: Solve for x
x = 283,080,450,103,206,336/434,419,497.80 - Step 6: Final answer
x = 651,629,246.70
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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.