Finding the Fourth Proportional to 8,620,089,432,121.50, 12,930,167,694,201 and 2,085,460,921,192.70
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Solution
The fourth proportional to 8,620,089,432,121.50, 12,930,167,694,201 and 2,085,460,921,192.70 is: 3,128,199,497,587.81
Step by Step Solution
- Step 1: Write the proportion equation
8,620,089,432,121.50 : 12,930,167,694,201 = 2,085,460,921,192.70 : x - Step 2: Convert to fraction form
8,620,089,432,121.50/12,930,167,694,201 = 2,085,460,921,192.70/x - Step 3: Cross multiply
8,620,089,432,121.50x = 12,930,167,694,201 × 2,085,460,921,192.70 - Step 4: Simplify right side
8,620,089,432,121.50x = 26,965,359,430,724,504,917,114,880 - Step 5: Solve for x
x = 26,965,359,430,724,504,917,114,880/8,620,089,432,121.50 - Step 6: Final answer
x = 3,128,199,497,587.81
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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.