Finding the Fourth Proportional to 2,183,669,316.10, 3,275,503,974.15 and 709,806,276.10
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Solution
The fourth proportional to 2,183,669,316.10, 3,275,503,974.15 and 709,806,276.10 is: 1,064,709,414.15
Step by Step Solution
- Step 1: Write the proportion equation
2,183,669,316.10 : 3,275,503,974.15 = 709,806,276.10 : x - Step 2: Convert to fraction form
2,183,669,316.10/3,275,503,974.15 = 709,806,276.10/x - Step 3: Cross multiply
2,183,669,316.10x = 3,275,503,974.15 × 709,806,276.10 - Step 4: Simplify right side
2,183,669,316.10x = 2,324,973,278,242,162,176 - Step 5: Solve for x
x = 2,324,973,278,242,162,176/2,183,669,316.10 - Step 6: Final answer
x = 1,064,709,414.15
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Double scale
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Similar ratio
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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.