Finding the Fourth Proportional to 115,414,192,129.64, 173,000,459,506.26 and 48,299,889,986.24
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Solution
The fourth proportional to 115,414,192,129.64, 173,000,459,506.26 and 48,299,889,986.24 is: 72,399,269,167.31
Step by Step Solution
- Step 1: Write the proportion equation
115,414,192,129.64 : 173,000,459,506.26 = 48,299,889,986.24 : x - Step 2: Convert to fraction form
115,414,192,129.64/173,000,459,506.26 = 48,299,889,986.24/x - Step 3: Cross multiply
115,414,192,129.64x = 173,000,459,506.26 × 48,299,889,986.24 - Step 4: Simplify right side
115,414,192,129.64x = 8,355,903,161,721,326,403,584 - Step 5: Solve for x
x = 8,355,903,161,721,326,403,584/115,414,192,129.64 - Step 6: Final answer
x = 72,399,269,167.31
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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.