Finding the Fourth Proportional to 3,808,410,962.88, 5,255,318,702.16 and 2,137,337,365.44
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Solution
The fourth proportional to 3,808,410,962.88, 5,255,318,702.16 and 2,137,337,365.44 is: 2,949,363,694.96
Step by Step Solution
- Step 1: Write the proportion equation
3,808,410,962.88 : 5,255,318,702.16 = 2,137,337,365.44 : x - Step 2: Convert to fraction form
3,808,410,962.88/5,255,318,702.16 = 2,137,337,365.44/x - Step 3: Cross multiply
3,808,410,962.88x = 5,255,318,702.16 × 2,137,337,365.44 - Step 4: Simplify right side
3,808,410,962.88x = 11,232,389,029,422,215,168 - Step 5: Solve for x
x = 11,232,389,029,422,215,168/3,808,410,962.88 - Step 6: Final answer
x = 2,949,363,694.96
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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.