Finding the Fourth Proportional to 3,370,348,652.76, 4,651,431,230.52 and 1,941,469,140.96
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Solution
The fourth proportional to 3,370,348,652.76, 4,651,431,230.52 and 1,941,469,140.96 is: 2,679,429,081.60
Step by Step Solution
- Step 1: Write the proportion equation
3,370,348,652.76 : 4,651,431,230.52 = 1,941,469,140.96 : x - Step 2: Convert to fraction form
3,370,348,652.76/4,651,431,230.52 = 1,941,469,140.96/x - Step 3: Cross multiply
3,370,348,652.76x = 4,651,431,230.52 × 1,941,469,140.96 - Step 4: Simplify right side
3,370,348,652.76x = 9,030,610,195,352,180,736 - Step 5: Solve for x
x = 9,030,610,195,352,180,736/3,370,348,652.76 - Step 6: Final answer
x = 2,679,429,081.60
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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.