Finding the Fourth Proportional to 8,161,949,774.66, 12,237,232,518.75 and 3,616,424,318.94
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Solution
The fourth proportional to 8,161,949,774.66, 12,237,232,518.75 and 3,616,424,318.94 is: 5,422,114,384.33
Step by Step Solution
- Step 1: Write the proportion equation
8,161,949,774.66 : 12,237,232,518.75 = 3,616,424,318.94 : x - Step 2: Convert to fraction form
8,161,949,774.66/12,237,232,518.75 = 3,616,424,318.94/x - Step 3: Cross multiply
8,161,949,774.66x = 12,237,232,518.75 × 3,616,424,318.94 - Step 4: Simplify right side
8,161,949,774.66x = 44,255,025,277,330,890,752 - Step 5: Solve for x
x = 44,255,025,277,330,890,752/8,161,949,774.66 - Step 6: Final answer
x = 5,422,114,384.33
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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.