Finding the Fourth Proportional to 14,920,702,318.24, 20,592,374,762 and 8,492,085,323.68
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Solution
The fourth proportional to 14,920,702,318.24, 20,592,374,762 and 8,492,085,323.68 is: 11,720,105,378.84
Step by Step Solution
- Step 1: Write the proportion equation
14,920,702,318.24 : 20,592,374,762 = 8,492,085,323.68 : x - Step 2: Convert to fraction form
14,920,702,318.24/20,592,374,762 = 8,492,085,323.68/x - Step 3: Cross multiply
14,920,702,318.24x = 20,592,374,762 × 8,492,085,323.68 - Step 4: Simplify right side
14,920,702,318.24x = 174,872,203,496,098,627,584 - Step 5: Solve for x
x = 174,872,203,496,098,627,584/14,920,702,318.24 - Step 6: Final answer
x = 11,720,105,378.84
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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.