Finding the Fourth Proportional to 5,249,348,523.40, 7,874,022,785.10 and 4,850,271,761.80
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Solution
The fourth proportional to 5,249,348,523.40, 7,874,022,785.10 and 4,850,271,761.80 is: 7,275,407,642.70
Step by Step Solution
- Step 1: Write the proportion equation
5,249,348,523.40 : 7,874,022,785.10 = 4,850,271,761.80 : x - Step 2: Convert to fraction form
5,249,348,523.40/7,874,022,785.10 = 4,850,271,761.80/x - Step 3: Cross multiply
5,249,348,523.40x = 7,874,022,785.10 × 4,850,271,761.80 - Step 4: Simplify right side
5,249,348,523.40x = 38,191,150,366,340,325,376 - Step 5: Solve for x
x = 38,191,150,366,340,325,376/5,249,348,523.40 - Step 6: Final answer
x = 7,275,407,642.70
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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.