Finding the Fourth Proportional to 1,232,765,172.28, 1,701,215,528.34 and 675,836,261.92
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Solution
The fourth proportional to 1,232,765,172.28, 1,701,215,528.34 and 675,836,261.92 is: 932,653,817.00
Step by Step Solution
- Step 1: Write the proportion equation
1,232,765,172.28 : 1,701,215,528.34 = 675,836,261.92 : x - Step 2: Convert to fraction form
1,232,765,172.28/1,701,215,528.34 = 675,836,261.92/x - Step 3: Cross multiply
1,232,765,172.28x = 1,701,215,528.34 × 675,836,261.92 - Step 4: Simplify right side
1,232,765,172.28x = 1,149,743,143,393,563,264 - Step 5: Solve for x
x = 1,149,743,143,393,563,264/1,232,765,172.28 - Step 6: Final answer
x = 932,653,817.00
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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.