Finding the Fourth Proportional to 5,524,241,361.80, 8,286,362,042.70 and 3,320,249,246.60
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Solution
The fourth proportional to 5,524,241,361.80, 8,286,362,042.70 and 3,320,249,246.60 is: 4,980,373,869.90
Step by Step Solution
- Step 1: Write the proportion equation
5,524,241,361.80 : 8,286,362,042.70 = 3,320,249,246.60 : x - Step 2: Convert to fraction form
5,524,241,361.80/8,286,362,042.70 = 3,320,249,246.60/x - Step 3: Cross multiply
5,524,241,361.80x = 8,286,362,042.70 × 3,320,249,246.60 - Step 4: Simplify right side
5,524,241,361.80x = 27,512,787,329,329,512,448 - Step 5: Solve for x
x = 27,512,787,329,329,512,448/5,524,241,361.80 - Step 6: Final answer
x = 4,980,373,869.90
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Double scale
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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.