Finding the Fourth Proportional to 11,801,488,425.99, 16,287,715,170.74 and 7,513,331,962.24
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Solution
The fourth proportional to 11,801,488,425.99, 16,287,715,170.74 and 7,513,331,962.24 is: 10,369,455,662.44
Step by Step Solution
- Step 1: Write the proportion equation
11,801,488,425.99 : 16,287,715,170.74 = 7,513,331,962.24 : x - Step 2: Convert to fraction form
11,801,488,425.99/16,287,715,170.74 = 7,513,331,962.24/x - Step 3: Cross multiply
11,801,488,425.99x = 16,287,715,170.74 × 7,513,331,962.24 - Step 4: Simplify right side
11,801,488,425.99x = 122,375,010,984,134,672,384 - Step 5: Solve for x
x = 122,375,010,984,134,672,384/11,801,488,425.99 - Step 6: Final answer
x = 10,369,455,662.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.