Finding the Fourth Proportional to 7,051,008,090.30, 10,576,512,135.45 and 6,649,691,840.70
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Solution
The fourth proportional to 7,051,008,090.30, 10,576,512,135.45 and 6,649,691,840.70 is: 9,974,537,761.05
Step by Step Solution
- Step 1: Write the proportion equation
7,051,008,090.30 : 10,576,512,135.45 = 6,649,691,840.70 : x - Step 2: Convert to fraction form
7,051,008,090.30/10,576,512,135.45 = 6,649,691,840.70/x - Step 3: Cross multiply
7,051,008,090.30x = 10,576,512,135.45 × 6,649,691,840.70 - Step 4: Simplify right side
7,051,008,090.30x = 70,330,546,450,166,398,976 - Step 5: Solve for x
x = 70,330,546,450,166,398,976/7,051,008,090.30 - Step 6: Final answer
x = 9,974,537,761.05
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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.