Finding the Fourth Proportional to 8,504,625,916.79, 12,757,551,854.22 and 3,264,234,134.75
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Solution
The fourth proportional to 8,504,625,916.79, 12,757,551,854.22 and 3,264,234,134.75 is: 4,896,586,474.91
Step by Step Solution
- Step 1: Write the proportion equation
8,504,625,916.79 : 12,757,551,854.22 = 3,264,234,134.75 : x - Step 2: Convert to fraction form
8,504,625,916.79/12,757,551,854.22 = 3,264,234,134.75/x - Step 3: Cross multiply
8,504,625,916.79x = 12,757,551,854.22 × 3,264,234,134.75 - Step 4: Simplify right side
8,504,625,916.79x = 41,643,636,238,324,285,440 - Step 5: Solve for x
x = 41,643,636,238,324,285,440/8,504,625,916.79 - Step 6: Final answer
x = 4,896,586,474.91
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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.