Finding the Fourth Proportional to 10,890,839,286.08, 16,340,376,087.68 and 4,263,205,070.08
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Solution
The fourth proportional to 10,890,839,286.08, 16,340,376,087.68 and 4,263,205,070.08 is: 6,396,419,261.56
Step by Step Solution
- Step 1: Write the proportion equation
10,890,839,286.08 : 16,340,376,087.68 = 4,263,205,070.08 : x - Step 2: Convert to fraction form
10,890,839,286.08/16,340,376,087.68 = 4,263,205,070.08/x - Step 3: Cross multiply
10,890,839,286.08x = 16,340,376,087.68 × 4,263,205,070.08 - Step 4: Simplify right side
10,890,839,286.08x = 69,662,374,184,011,374,592 - Step 5: Solve for x
x = 69,662,374,184,011,374,592/10,890,839,286.08 - Step 6: Final answer
x = 6,396,419,261.56
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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.