Finding the Fourth Proportional to 3,285,729,112.63, 4,535,869,712.75 and 2,201,278,300.80
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Solution
The fourth proportional to 3,285,729,112.63, 4,535,869,712.75 and 2,201,278,300.80 is: 3,038,811,548.88
Step by Step Solution
- Step 1: Write the proportion equation
3,285,729,112.63 : 4,535,869,712.75 = 2,201,278,300.80 : x - Step 2: Convert to fraction form
3,285,729,112.63/4,535,869,712.75 = 2,201,278,300.80/x - Step 3: Cross multiply
3,285,729,112.63x = 4,535,869,712.75 × 2,201,278,300.80 - Step 4: Simplify right side
3,285,729,112.63x = 9,984,711,573,938,259,968 - Step 5: Solve for x
x = 9,984,711,573,938,259,968/3,285,729,112.63 - Step 6: Final answer
x = 3,038,811,548.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.