Home / 366,774,792,008.35-550,413,494,358.73-128,009,441,010.28

Finding the Fourth Proportional to 366,774,792,008.35, 550,413,494,358.73 and 128,009,441,010.28

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Solution

The fourth proportional to 366,774,792,008.35, 550,413,494,358.73 and 128,009,441,010.28 is: 192,101,870,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,774,792,008.35 : 550,413,494,358.73 = 128,009,441,010.28 : x
  2. Step 2: Convert to fraction form
    366,774,792,008.35/550,413,494,358.73 = 128,009,441,010.28/x
  3. Step 3: Cross multiply
    366,774,792,008.35x = 550,413,494,358.73 × 128,009,441,010.28
  4. Step 4: Simplify right side
    366,774,792,008.35x = 70,458,123,737,375,931,629,568
  5. Step 5: Solve for x
    x = 70,458,123,737,375,931,629,568/366,774,792,008.35
  6. Step 6: Final answer
    x = 192,101,870,882.59

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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.