Finding the Fourth Proportional to 66,461,226,383.80, 99,691,839,575.70 and 19,297,609,103.80
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Solution
The fourth proportional to 66,461,226,383.80, 99,691,839,575.70 and 19,297,609,103.80 is: 28,946,413,655.70
Step by Step Solution
- Step 1: Write the proportion equation
66,461,226,383.80 : 99,691,839,575.70 = 19,297,609,103.80 : x - Step 2: Convert to fraction form
66,461,226,383.80/99,691,839,575.70 = 19,297,609,103.80/x - Step 3: Cross multiply
66,461,226,383.80x = 99,691,839,575.70 × 19,297,609,103.80 - Step 4: Simplify right side
66,461,226,383.80x = 1,923,814,150,970,597,441,536 - Step 5: Solve for x
x = 1,923,814,150,970,597,441,536/66,461,226,383.80 - Step 6: Final answer
x = 28,946,413,655.70
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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.