Finding the Fourth Proportional to 8,921,205,787.68, 12,311,270,301.24 and 4,907,181,453.84
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Solution
The fourth proportional to 8,921,205,787.68, 12,311,270,301.24 and 4,907,181,453.84 is: 6,771,913,879.50
Step by Step Solution
- Step 1: Write the proportion equation
8,921,205,787.68 : 12,311,270,301.24 = 4,907,181,453.84 : x - Step 2: Convert to fraction form
8,921,205,787.68/12,311,270,301.24 = 4,907,181,453.84/x - Step 3: Cross multiply
8,921,205,787.68x = 12,311,270,301.24 × 4,907,181,453.84 - Step 4: Simplify right side
8,921,205,787.68x = 60,413,637,295,456,116,736 - Step 5: Solve for x
x = 60,413,637,295,456,116,736/8,921,205,787.68 - Step 6: Final answer
x = 6,771,913,879.50
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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.