Finding the Fourth Proportional to 3,910,982,380.32, 5,411,367,888.48 and 3,410,235,346.08
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Solution
The fourth proportional to 3,910,982,380.32, 5,411,367,888.48 and 3,410,235,346.08 is: 4,718,517,305.73
Step by Step Solution
- Step 1: Write the proportion equation
3,910,982,380.32 : 5,411,367,888.48 = 3,410,235,346.08 : x - Step 2: Convert to fraction form
3,910,982,380.32/5,411,367,888.48 = 3,410,235,346.08/x - Step 3: Cross multiply
3,910,982,380.32x = 5,411,367,888.48 × 3,410,235,346.08 - Step 4: Simplify right side
3,910,982,380.32x = 18,454,038,043,936,788,480 - Step 5: Solve for x
x = 18,454,038,043,936,788,480/3,910,982,380.32 - Step 6: Final answer
x = 4,718,517,305.73
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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.