Home / 391,095,757,096.90-586,710,469,996.70-161,237,439,882.61

Finding the Fourth Proportional to 391,095,757,096.90, 586,710,469,996.70 and 161,237,439,882.61

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Solution

The fourth proportional to 391,095,757,096.90, 586,710,469,996.70 and 161,237,439,882.61 is: 241,883,713,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,095,757,096.90 : 586,710,469,996.70 = 161,237,439,882.61 : x
  2. Step 2: Convert to fraction form
    391,095,757,096.90/586,710,469,996.70 = 161,237,439,882.61/x
  3. Step 3: Cross multiply
    391,095,757,096.90x = 586,710,469,996.70 × 161,237,439,882.61
  4. Step 4: Simplify right side
    391,095,757,096.90x = 94,599,694,134,590,755,045,376
  5. Step 5: Solve for x
    x = 94,599,694,134,590,755,045,376/391,095,757,096.90
  6. Step 6: Final answer
    x = 241,883,713,688.95

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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.