Home / 366,774,792,006.35-550,413,494,355.73-128,009,441,008.28

Finding the Fourth Proportional to 366,774,792,006.35, 550,413,494,355.73 and 128,009,441,008.28

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Solution

The fourth proportional to 366,774,792,006.35, 550,413,494,355.73 and 128,009,441,008.28 is: 192,101,870,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,774,792,006.35 : 550,413,494,355.73 = 128,009,441,008.28 : x
  2. Step 2: Convert to fraction form
    366,774,792,006.35/550,413,494,355.73 = 128,009,441,008.28/x
  3. Step 3: Cross multiply
    366,774,792,006.35x = 550,413,494,355.73 × 128,009,441,008.28
  4. Step 4: Simplify right side
    366,774,792,006.35x = 70,458,123,735,891,072,516,096
  5. Step 5: Solve for x
    x = 70,458,123,735,891,072,516,096/366,774,792,006.35
  6. Step 6: Final answer
    x = 192,101,870,879.59

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1.5x scale

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.