Finding the Fourth Proportional to 165,554,632,120.74, 248,331,948,183.54 and 52,245,842,084.88
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Solution
The fourth proportional to 165,554,632,120.74, 248,331,948,183.54 and 52,245,842,084.88 is: 78,368,763,128.09
Step by Step Solution
- Step 1: Write the proportion equation
165,554,632,120.74 : 248,331,948,183.54 = 52,245,842,084.88 : x - Step 2: Convert to fraction form
165,554,632,120.74/248,331,948,183.54 = 52,245,842,084.88/x - Step 3: Cross multiply
165,554,632,120.74x = 248,331,948,183.54 × 52,245,842,084.88 - Step 4: Simplify right side
165,554,632,120.74x = 12,974,311,749,427,832,815,616 - Step 5: Solve for x
x = 12,974,311,749,427,832,815,616/165,554,632,120.74 - Step 6: Final answer
x = 78,368,763,128.09
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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.