Finding the Fourth Proportional to 51,693,415,804.17, 71,336,916,789.57 and 27,931,625,812.17
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Solution
The fourth proportional to 51,693,415,804.17, 71,336,916,789.57 and 27,931,625,812.17 is: 38,545,645,230.89
Step by Step Solution
- Step 1: Write the proportion equation
51,693,415,804.17 : 71,336,916,789.57 = 27,931,625,812.17 : x - Step 2: Convert to fraction form
51,693,415,804.17/71,336,916,789.57 = 27,931,625,812.17/x - Step 3: Cross multiply
51,693,415,804.17x = 71,336,916,789.57 × 27,931,625,812.17 - Step 4: Simplify right side
51,693,415,804.17x = 1,992,556,066,360,176,934,912 - Step 5: Solve for x
x = 1,992,556,066,360,176,934,912/51,693,415,804.17 - Step 6: Final answer
x = 38,545,645,230.89
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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.