Finding the Fourth Proportional to 8,282,578,583.13, 12,425,612,970.90 and 2,686,079,287.73
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Solution
The fourth proportional to 8,282,578,583.13, 12,425,612,970.90 and 2,686,079,287.73 is: 4,029,684,874.52
Step by Step Solution
- Step 1: Write the proportion equation
8,282,578,583.13 : 12,425,612,970.90 = 2,686,079,287.73 : x - Step 2: Convert to fraction form
8,282,578,583.13/12,425,612,970.90 = 2,686,079,287.73/x - Step 3: Cross multiply
8,282,578,583.13x = 12,425,612,970.90 × 2,686,079,287.73 - Step 4: Simplify right side
8,282,578,583.13x = 33,376,181,638,421,590,016 - Step 5: Solve for x
x = 33,376,181,638,421,590,016/8,282,578,583.13 - Step 6: Final answer
x = 4,029,684,874.52
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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.