Finding the Fourth Proportional to 3,921,048,212.80, 5,881,572,319.20 and 1,467,066,251.20
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Solution
The fourth proportional to 3,921,048,212.80, 5,881,572,319.20 and 1,467,066,251.20 is: 2,200,599,376.80
Step by Step Solution
- Step 1: Write the proportion equation
3,921,048,212.80 : 5,881,572,319.20 = 1,467,066,251.20 : x - Step 2: Convert to fraction form
3,921,048,212.80/5,881,572,319.20 = 1,467,066,251.20/x - Step 3: Cross multiply
3,921,048,212.80x = 5,881,572,319.20 × 1,467,066,251.20 - Step 4: Simplify right side
3,921,048,212.80x = 8,628,656,253,490,434,048 - Step 5: Solve for x
x = 8,628,656,253,490,434,048/3,921,048,212.80 - Step 6: Final answer
x = 2,200,599,376.80
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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.