Finding the Fourth Proportional to 5,380,840,146.70, 7,515,742,283.37 and 5,380,840,146.70
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Solution
The fourth proportional to 5,380,840,146.70, 7,515,742,283.37 and 5,380,840,146.70 is: 7,515,742,283.37
Step by Step Solution
- Step 1: Write the proportion equation
5,380,840,146.70 : 7,515,742,283.37 = 5,380,840,146.70 : x - Step 2: Convert to fraction form
5,380,840,146.70/7,515,742,283.37 = 5,380,840,146.70/x - Step 3: Cross multiply
5,380,840,146.70x = 7,515,742,283.37 × 5,380,840,146.70 - Step 4: Simplify right side
5,380,840,146.70x = 40,441,007,810,608,021,504 - Step 5: Solve for x
x = 40,441,007,810,608,021,504/5,380,840,146.70 - Step 6: Final answer
x = 7,515,742,283.37
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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.