Finding the Fourth Proportional to 2,720,121,296.70, 3,815,425,756.50 and 2,720,121,296.70
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Solution
The fourth proportional to 2,720,121,296.70, 3,815,425,756.50 and 2,720,121,296.70 is: 3,815,425,756.50
Step by Step Solution
- Step 1: Write the proportion equation
2,720,121,296.70 : 3,815,425,756.50 = 2,720,121,296.70 : x - Step 2: Convert to fraction form
2,720,121,296.70/3,815,425,756.50 = 2,720,121,296.70/x - Step 3: Cross multiply
2,720,121,296.70x = 3,815,425,756.50 × 2,720,121,296.70 - Step 4: Simplify right side
2,720,121,296.70x = 10,378,420,856,233,357,312 - Step 5: Solve for x
x = 10,378,420,856,233,357,312/2,720,121,296.70 - Step 6: Final answer
x = 3,815,425,756.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.