Finding the Fourth Proportional to 1,034,236,361.20, 1,551,354,541.80 and 647,252,834.80
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Solution
The fourth proportional to 1,034,236,361.20, 1,551,354,541.80 and 647,252,834.80 is: 970,879,252.20
Step by Step Solution
- Step 1: Write the proportion equation
1,034,236,361.20 : 1,551,354,541.80 = 647,252,834.80 : x - Step 2: Convert to fraction form
1,034,236,361.20/1,551,354,541.80 = 647,252,834.80/x - Step 3: Cross multiply
1,034,236,361.20x = 1,551,354,541.80 × 647,252,834.80 - Step 4: Simplify right side
1,034,236,361.20x = 1,004,118,624,959,905,024 - Step 5: Solve for x
x = 1,004,118,624,959,905,024/1,034,236,361.20 - Step 6: Final answer
x = 970,879,252.20
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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.