Finding the Fourth Proportional to 183,163,684,885.68, 252,595,351,234.12 and 118,865,658,662.32
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Solution
The fourth proportional to 183,163,684,885.68, 252,595,351,234.12 and 118,865,658,662.32 is: 163,923,939,498.29
Step by Step Solution
- Step 1: Write the proportion equation
183,163,684,885.68 : 252,595,351,234.12 = 118,865,658,662.32 : x - Step 2: Convert to fraction form
183,163,684,885.68/252,595,351,234.12 = 118,865,658,662.32/x - Step 3: Cross multiply
183,163,684,885.68x = 252,595,351,234.12 × 118,865,658,662.32 - Step 4: Simplify right side
183,163,684,885.68x = 30,024,912,799,483,738,193,920 - Step 5: Solve for x
x = 30,024,912,799,483,738,193,920/183,163,684,885.68 - Step 6: Final answer
x = 163,923,939,498.29
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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.