Finding the Fourth Proportional to 4,899,045,774.20, 7,348,568,661.30 and 4,393,964,247.80
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Solution
The fourth proportional to 4,899,045,774.20, 7,348,568,661.30 and 4,393,964,247.80 is: 6,590,946,371.70
Step by Step Solution
- Step 1: Write the proportion equation
4,899,045,774.20 : 7,348,568,661.30 = 4,393,964,247.80 : x - Step 2: Convert to fraction form
4,899,045,774.20/7,348,568,661.30 = 4,393,964,247.80/x - Step 3: Cross multiply
4,899,045,774.20x = 7,348,568,661.30 × 4,393,964,247.80 - Step 4: Simplify right side
4,899,045,774.20x = 32,289,347,970,255,708,160 - Step 5: Solve for x
x = 32,289,347,970,255,708,160/4,899,045,774.20 - Step 6: Final answer
x = 6,590,946,371.70
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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.