Finding the Fourth Proportional to 5,028,558,773,125, 7,542,838,151,162.40 and 1,208,313,158,087.50
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Solution
The fourth proportional to 5,028,558,773,125, 7,542,838,151,162.40 and 1,208,313,158,087.50 is: 1,812,469,735,082.75
Step by Step Solution
- Step 1: Write the proportion equation
5,028,558,773,125 : 7,542,838,151,162.40 = 1,208,313,158,087.50 : x - Step 2: Convert to fraction form
5,028,558,773,125/7,542,838,151,162.40 = 1,208,313,158,087.50/x - Step 3: Cross multiply
5,028,558,773,125x = 7,542,838,151,162.40 × 1,208,313,158,087.50 - Step 4: Simplify right side
5,028,558,773,125x = 9,114,110,587,373,919,645,204,480 - Step 5: Solve for x
x = 9,114,110,587,373,919,645,204,480/5,028,558,773,125 - Step 6: Final answer
x = 1,812,469,735,082.75
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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.