Finding the Fourth Proportional to 2,606,912,573.40, 3,910,368,860.10 and 2,321,209,891.80
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Solution
The fourth proportional to 2,606,912,573.40, 3,910,368,860.10 and 2,321,209,891.80 is: 3,481,814,837.70
Step by Step Solution
- Step 1: Write the proportion equation
2,606,912,573.40 : 3,910,368,860.10 = 2,321,209,891.80 : x - Step 2: Convert to fraction form
2,606,912,573.40/3,910,368,860.10 = 2,321,209,891.80/x - Step 3: Cross multiply
2,606,912,573.40x = 3,910,368,860.10 × 2,321,209,891.80 - Step 4: Simplify right side
2,606,912,573.40x = 9,076,786,878,650,810,368 - Step 5: Solve for x
x = 9,076,786,878,650,810,368/2,606,912,573.40 - Step 6: Final answer
x = 3,481,814,837.70
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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.