Finding the Fourth Proportional to 5,522,652,915.15, 8,283,979,469.20 and 1,325,605,730.67
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Solution
The fourth proportional to 5,522,652,915.15, 8,283,979,469.20 and 1,325,605,730.67 is: 1,988,408,619.16
Step by Step Solution
- Step 1: Write the proportion equation
5,522,652,915.15 : 8,283,979,469.20 = 1,325,605,730.67 : x - Step 2: Convert to fraction form
5,522,652,915.15/8,283,979,469.20 = 1,325,605,730.67/x - Step 3: Cross multiply
5,522,652,915.15x = 8,283,979,469.20 × 1,325,605,730.67 - Step 4: Simplify right side
5,522,652,915.15x = 10,981,290,657,127,460,864 - Step 5: Solve for x
x = 10,981,290,657,127,460,864/5,522,652,915.15 - Step 6: Final answer
x = 1,988,408,619.16
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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.