Finding the Fourth Proportional to 28,192,475,253,399, 38,905,617,720,584 and 15,691,937,026,029
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Solution
The fourth proportional to 28,192,475,253,399, 38,905,617,720,584 and 15,691,937,026,029 is: 21,654,874,137,259.62
Step by Step Solution
- Step 1: Write the proportion equation
28,192,475,253,399 : 38,905,617,720,584 = 15,691,937,026,029 : x - Step 2: Convert to fraction form
28,192,475,253,399/38,905,617,720,584 = 15,691,937,026,029/x - Step 3: Cross multiply
28,192,475,253,399x = 38,905,617,720,584 × 15,691,937,026,029 - Step 4: Simplify right side
28,192,475,253,399x = 610,504,503,230,162,049,706,229,760 - Step 5: Solve for x
x = 610,504,503,230,162,049,706,229,760/28,192,475,253,399 - Step 6: Final answer
x = 21,654,874,137,259.62
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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.