Finding the Fourth Proportional to 7,032,192,284.91, 9,704,068,972.77 and 4,174,456,651.28
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Solution
The fourth proportional to 7,032,192,284.91, 9,704,068,972.77 and 4,174,456,651.28 is: 5,760,538,623.89
Step by Step Solution
- Step 1: Write the proportion equation
7,032,192,284.91 : 9,704,068,972.77 = 4,174,456,651.28 : x - Step 2: Convert to fraction form
7,032,192,284.91/9,704,068,972.77 = 4,174,456,651.28/x - Step 3: Cross multiply
7,032,192,284.91x = 9,704,068,972.77 × 4,174,456,651.28 - Step 4: Simplify right side
7,032,192,284.91x = 40,509,215,267,859,611,648 - Step 5: Solve for x
x = 40,509,215,267,859,611,648/7,032,192,284.91 - Step 6: Final answer
x = 5,760,538,623.89
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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.