Finding the Fourth Proportional to 5,227,851,257.44, 7,214,251,493.12 and 2,848,940,651.52
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Solution
The fourth proportional to 5,227,851,257.44, 7,214,251,493.12 and 2,848,940,651.52 is: 3,931,438,240.48
Step by Step Solution
- Step 1: Write the proportion equation
5,227,851,257.44 : 7,214,251,493.12 = 2,848,940,651.52 : x - Step 2: Convert to fraction form
5,227,851,257.44/7,214,251,493.12 = 2,848,940,651.52/x - Step 3: Cross multiply
5,227,851,257.44x = 7,214,251,493.12 × 2,848,940,651.52 - Step 4: Simplify right side
5,227,851,257.44x = 20,552,974,349,038,424,064 - Step 5: Solve for x
x = 20,552,974,349,038,424,064/5,227,851,257.44 - Step 6: Final answer
x = 3,931,438,240.48
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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.