Finding the Fourth Proportional to 7,659,106,748.78, 11,472,571,203.95 and 4,859,634,297.98
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Solution
The fourth proportional to 7,659,106,748.78, 11,472,571,203.95 and 4,859,634,297.98 is: 7,279,243,172.54
Step by Step Solution
- Step 1: Write the proportion equation
7,659,106,748.78 : 11,472,571,203.95 = 4,859,634,297.98 : x - Step 2: Convert to fraction form
7,659,106,748.78/11,472,571,203.95 = 4,859,634,297.98/x - Step 3: Cross multiply
7,659,106,748.78x = 11,472,571,203.95 × 4,859,634,297.98 - Step 4: Simplify right side
7,659,106,748.78x = 55,752,500,508,771,524,608 - Step 5: Solve for x
x = 55,752,500,508,771,524,608/7,659,106,748.78 - Step 6: Final answer
x = 7,279,243,172.54
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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.