Finding the Fourth Proportional to 2,274,844,513.80, 3,412,266,770.70 and 639,069,115.80
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Solution
The fourth proportional to 2,274,844,513.80, 3,412,266,770.70 and 639,069,115.80 is: 958,603,673.70
Step by Step Solution
- Step 1: Write the proportion equation
2,274,844,513.80 : 3,412,266,770.70 = 639,069,115.80 : x - Step 2: Convert to fraction form
2,274,844,513.80/3,412,266,770.70 = 639,069,115.80/x - Step 3: Cross multiply
2,274,844,513.80x = 3,412,266,770.70 × 639,069,115.80 - Step 4: Simplify right side
2,274,844,513.80x = 2,180,674,308,024,969,984 - Step 5: Solve for x
x = 2,180,674,308,024,969,984/2,274,844,513.80 - Step 6: Final answer
x = 958,603,673.70
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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.