Finding the Fourth Proportional to 5,440,298,453.95, 8,160,447,680.93 and 1,993,278,524.35
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Solution
The fourth proportional to 5,440,298,453.95, 8,160,447,680.93 and 1,993,278,524.35 is: 2,989,917,786.53
Step by Step Solution
- Step 1: Write the proportion equation
5,440,298,453.95 : 8,160,447,680.93 = 1,993,278,524.35 : x - Step 2: Convert to fraction form
5,440,298,453.95/8,160,447,680.93 = 1,993,278,524.35/x - Step 3: Cross multiply
5,440,298,453.95x = 8,160,447,680.93 × 1,993,278,524.35 - Step 4: Simplify right side
5,440,298,453.95x = 16,266,045,111,469,563,904 - Step 5: Solve for x
x = 16,266,045,111,469,563,904/5,440,298,453.95 - Step 6: Final answer
x = 2,989,917,786.53
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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.