Finding the Fourth Proportional to 49,471,569,488.10, 74,207,354,232.15 and 25,880,690,921.70
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Solution
The fourth proportional to 49,471,569,488.10, 74,207,354,232.15 and 25,880,690,921.70 is: 38,821,036,382.55
Step by Step Solution
- Step 1: Write the proportion equation
49,471,569,488.10 : 74,207,354,232.15 = 25,880,690,921.70 : x - Step 2: Convert to fraction form
49,471,569,488.10/74,207,354,232.15 = 25,880,690,921.70/x - Step 3: Cross multiply
49,471,569,488.10x = 74,207,354,232.15 × 25,880,690,921.70 - Step 4: Simplify right side
49,471,569,488.10x = 1,920,537,598,999,380,361,216 - Step 5: Solve for x
x = 1,920,537,598,999,380,361,216/49,471,569,488.10 - Step 6: Final answer
x = 38,821,036,382.55
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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.