Finding the Fourth Proportional to 1,761,533,302.24, 2,640,554,621.88 and 827,183,572.24
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Solution
The fourth proportional to 1,761,533,302.24, 2,640,554,621.88 and 827,183,572.24 is: 1,239,955,782.86
Step by Step Solution
- Step 1: Write the proportion equation
1,761,533,302.24 : 2,640,554,621.88 = 827,183,572.24 : x - Step 2: Convert to fraction form
1,761,533,302.24/2,640,554,621.88 = 827,183,572.24/x - Step 3: Cross multiply
1,761,533,302.24x = 2,640,554,621.88 × 827,183,572.24 - Step 4: Simplify right side
1,761,533,302.24x = 2,184,223,404,821,540,864 - Step 5: Solve for x
x = 2,184,223,404,821,540,864/1,761,533,302.24 - Step 6: Final answer
x = 1,239,955,782.86
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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.