Finding the Fourth Proportional to 22,416,600,148.68, 30,935,048,106.18 and 12,255,349,912.09
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Solution
The fourth proportional to 22,416,600,148.68, 30,935,048,106.18 and 12,255,349,912.09 is: 16,912,459,363.78
Step by Step Solution
- Step 1: Write the proportion equation
22,416,600,148.68 : 30,935,048,106.18 = 12,255,349,912.09 : x - Step 2: Convert to fraction form
22,416,600,148.68/30,935,048,106.18 = 12,255,349,912.09/x - Step 3: Cross multiply
22,416,600,148.68x = 30,935,048,106.18 × 12,255,349,912.09 - Step 4: Simplify right side
22,416,600,148.68x = 379,119,839,088,573,022,208 - Step 5: Solve for x
x = 379,119,839,088,573,022,208/22,416,600,148.68 - Step 6: Final answer
x = 16,912,459,363.78
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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.