Home / 391,095,757,097.40-586,710,469,997.45-161,237,439,883.11

Finding the Fourth Proportional to 391,095,757,097.40, 586,710,469,997.45 and 161,237,439,883.11

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Solution

The fourth proportional to 391,095,757,097.40, 586,710,469,997.45 and 161,237,439,883.11 is: 241,883,713,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,095,757,097.40 : 586,710,469,997.45 = 161,237,439,883.11 : x
  2. Step 2: Convert to fraction form
    391,095,757,097.40/586,710,469,997.45 = 161,237,439,883.11/x
  3. Step 3: Cross multiply
    391,095,757,097.40x = 586,710,469,997.45 × 161,237,439,883.11
  4. Step 4: Simplify right side
    391,095,757,097.40x = 94,599,694,135,005,034,840,064
  5. Step 5: Solve for x
    x = 94,599,694,135,005,034,840,064/391,095,757,097.40
  6. Step 6: Final answer
    x = 241,883,713,689.70

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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.