Finding the Fourth Proportional to 1,101,193,321.80, 1,651,789,982.70 and 635,651,005.80
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Solution
The fourth proportional to 1,101,193,321.80, 1,651,789,982.70 and 635,651,005.80 is: 953,476,508.70
Step by Step Solution
- Step 1: Write the proportion equation
1,101,193,321.80 : 1,651,789,982.70 = 635,651,005.80 : x - Step 2: Convert to fraction form
1,101,193,321.80/1,651,789,982.70 = 635,651,005.80/x - Step 3: Cross multiply
1,101,193,321.80x = 1,651,789,982.70 × 635,651,005.80 - Step 4: Simplify right side
1,101,193,321.80x = 1,049,961,963,873,619,584 - Step 5: Solve for x
x = 1,049,961,963,873,619,584/1,101,193,321.80 - Step 6: Final answer
x = 953,476,508.70
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Double scale
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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.