Finding the Fourth Proportional to 1,266,334,882.92, 1,747,542,304.01 and 701,856,208.19
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Solution
The fourth proportional to 1,266,334,882.92, 1,747,542,304.01 and 701,856,208.19 is: 968,561,659.08
Step by Step Solution
- Step 1: Write the proportion equation
1,266,334,882.92 : 1,747,542,304.01 = 701,856,208.19 : x - Step 2: Convert to fraction form
1,266,334,882.92/1,747,542,304.01 = 701,856,208.19/x - Step 3: Cross multiply
1,266,334,882.92x = 1,747,542,304.01 × 701,856,208.19 - Step 4: Simplify right side
1,266,334,882.92x = 1,226,523,415,150,198,272 - Step 5: Solve for x
x = 1,226,523,415,150,198,272/1,266,334,882.92 - Step 6: Final answer
x = 968,561,659.08
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Double scale
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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.