Home / 216,926,638,684.65-325,080,940,864.68-159,817,379,012.51

Finding the Fourth Proportional to 216,926,638,684.65, 325,080,940,864.68 and 159,817,379,012.51

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Solution

The fourth proportional to 216,926,638,684.65, 325,080,940,864.68 and 159,817,379,012.51 is: 239,498,404,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,926,638,684.65 : 325,080,940,864.68 = 159,817,379,012.51 : x
  2. Step 2: Convert to fraction form
    216,926,638,684.65/325,080,940,864.68 = 159,817,379,012.51/x
  3. Step 3: Cross multiply
    216,926,638,684.65x = 325,080,940,864.68 × 159,817,379,012.51
  4. Step 4: Simplify right side
    216,926,638,684.65x = 51,953,583,935,913,912,696,832
  5. Step 5: Solve for x
    x = 51,953,583,935,913,912,696,832/216,926,638,684.65
  6. Step 6: Final answer
    x = 239,498,404,856.77

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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.