Finding the Fourth Proportional to 6,843,456,161.75, 10,263,525,112.66 and 1,869,201,321.56
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Solution
The fourth proportional to 6,843,456,161.75, 10,263,525,112.66 and 1,869,201,321.56 is: 2,803,348,812.50
Step by Step Solution
- Step 1: Write the proportion equation
6,843,456,161.75 : 10,263,525,112.66 = 1,869,201,321.56 : x - Step 2: Convert to fraction form
6,843,456,161.75/10,263,525,112.66 = 1,869,201,321.56/x - Step 3: Cross multiply
6,843,456,161.75x = 10,263,525,112.66 × 1,869,201,321.56 - Step 4: Simplify right side
6,843,456,161.75x = 19,184,594,704,448,319,488 - Step 5: Solve for x
x = 19,184,594,704,448,319,488/6,843,456,161.75 - Step 6: Final answer
x = 2,803,348,812.50
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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.