Finding the Fourth Proportional to 9,984,592,199.68, 13,779,170,359.97 and 5,529,256,576.18
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Solution
The fourth proportional to 9,984,592,199.68, 13,779,170,359.97 and 5,529,256,576.18 is: 7,630,613,930.29
Step by Step Solution
- Step 1: Write the proportion equation
9,984,592,199.68 : 13,779,170,359.97 = 5,529,256,576.18 : x - Step 2: Convert to fraction form
9,984,592,199.68/13,779,170,359.97 = 5,529,256,576.18/x - Step 3: Cross multiply
9,984,592,199.68x = 13,779,170,359.97 × 5,529,256,576.18 - Step 4: Simplify right side
9,984,592,199.68x = 76,188,568,327,168,655,360 - Step 5: Solve for x
x = 76,188,568,327,168,655,360/9,984,592,199.68 - Step 6: Final answer
x = 7,630,613,930.29
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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.