Finding the Fourth Proportional to 3,958,859,622.70, 5,936,777,779.65 and 1,197,570,918.70
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Solution
The fourth proportional to 3,958,859,622.70, 5,936,777,779.65 and 1,197,570,918.70 is: 1,795,899,096.53
Step by Step Solution
- Step 1: Write the proportion equation
3,958,859,622.70 : 5,936,777,779.65 = 1,197,570,918.70 : x - Step 2: Convert to fraction form
3,958,859,622.70/5,936,777,779.65 = 1,197,570,918.70/x - Step 3: Cross multiply
3,958,859,622.70x = 5,936,777,779.65 × 1,197,570,918.70 - Step 4: Simplify right side
3,958,859,622.70x = 7,109,712,419,693,196,288 - Step 5: Solve for x
x = 7,109,712,419,693,196,288/3,958,859,622.70 - Step 6: Final answer
x = 1,795,899,096.53
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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.