Finding the Fourth Proportional to 39,520,767,965,584, 54,539,982,627,784 and 21,962,829,760,388
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Solution
The fourth proportional to 39,520,767,965,584, 54,539,982,627,784 and 21,962,829,760,388 is: 30,309,440,207,024.03
Step by Step Solution
- Step 1: Write the proportion equation
39,520,767,965,584 : 54,539,982,627,784 = 21,962,829,760,388 : x - Step 2: Convert to fraction form
39,520,767,965,584/54,539,982,627,784 = 21,962,829,760,388/x - Step 3: Cross multiply
39,520,767,965,584x = 54,539,982,627,784 × 21,962,829,760,388 - Step 4: Simplify right side
39,520,767,965,584x = 1,197,852,353,588,538,902,392,602,624 - Step 5: Solve for x
x = 1,197,852,353,588,538,902,392,602,624/39,520,767,965,584 - Step 6: Final answer
x = 30,309,440,207,024.03
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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.