Finding the Fourth Proportional to 6,391,686,370, 9,587,529,555 and 1,796,256,994
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Solution
The fourth proportional to 6,391,686,370, 9,587,529,555 and 1,796,256,994 is: 2,694,385,491
Step by Step Solution
- Step 1: Write the proportion equation
6,391,686,370 : 9,587,529,555 = 1,796,256,994 : x - Step 2: Convert to fraction form
6,391,686,370/9,587,529,555 = 1,796,256,994/x - Step 3: Cross multiply
6,391,686,370x = 9,587,529,555 × 1,796,256,994 - Step 4: Simplify right side
6,391,686,370x = 17,221,667,018,350,456,832 - Step 5: Solve for x
x = 17,221,667,018,350,456,832/6,391,686,370 - Step 6: Final answer
x = 2,694,385,491
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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.