Finding the Fourth Proportional to 3,330,505,784.14, 4,992,225,885.25 and 1,558,383,440.31
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Solution
The fourth proportional to 3,330,505,784.14, 4,992,225,885.25 and 1,558,383,440.31 is: 2,335,922,125.38
Step by Step Solution
- Step 1: Write the proportion equation
3,330,505,784.14 : 4,992,225,885.25 = 1,558,383,440.31 : x - Step 2: Convert to fraction form
3,330,505,784.14/4,992,225,885.25 = 1,558,383,440.31/x - Step 3: Cross multiply
3,330,505,784.14x = 4,992,225,885.25 × 1,558,383,440.31 - Step 4: Simplify right side
3,330,505,784.14x = 7,779,802,149,856,634,880 - Step 5: Solve for x
x = 7,779,802,149,856,634,880/3,330,505,784.14 - Step 6: Final answer
x = 2,335,922,125.38
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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.