Finding the Fourth Proportional to 8,282,578,585.38, 12,425,612,974.29 and 2,686,079,289.99
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Solution
The fourth proportional to 8,282,578,585.38, 12,425,612,974.29 and 2,686,079,289.99 is: 4,029,684,877.92
Step by Step Solution
- Step 1: Write the proportion equation
8,282,578,585.38 : 12,425,612,974.29 = 2,686,079,289.99 : x - Step 2: Convert to fraction form
8,282,578,585.38/12,425,612,974.29 = 2,686,079,289.99/x - Step 3: Cross multiply
8,282,578,585.38x = 12,425,612,974.29 × 2,686,079,289.99 - Step 4: Simplify right side
8,282,578,585.38x = 33,376,181,675,671,416,832 - Step 5: Solve for x
x = 33,376,181,675,671,416,832/8,282,578,585.38 - Step 6: Final answer
x = 4,029,684,877.92
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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.