Finding the Fourth Proportional to 143,576,264,773.80, 215,364,397,160.70 and 119,115,083,845.80
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Solution
The fourth proportional to 143,576,264,773.80, 215,364,397,160.70 and 119,115,083,845.80 is: 178,672,625,768.70
Step by Step Solution
- Step 1: Write the proportion equation
143,576,264,773.80 : 215,364,397,160.70 = 119,115,083,845.80 : x - Step 2: Convert to fraction form
143,576,264,773.80/215,364,397,160.70 = 119,115,083,845.80/x - Step 3: Cross multiply
143,576,264,773.80x = 215,364,397,160.70 × 119,115,083,845.80 - Step 4: Simplify right side
143,576,264,773.80x = 25,653,148,225,196,955,533,312 - Step 5: Solve for x
x = 25,653,148,225,196,955,533,312/143,576,264,773.80 - Step 6: Final answer
x = 178,672,625,768.70
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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.