Home / 366,774,792,007.60-550,413,494,357.55-128,009,441,009.54

Finding the Fourth Proportional to 366,774,792,007.60, 550,413,494,357.55 and 128,009,441,009.54

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Solution

The fourth proportional to 366,774,792,007.60, 550,413,494,357.55 and 128,009,441,009.54 is: 192,101,870,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,774,792,007.60 : 550,413,494,357.55 = 128,009,441,009.54 : x
  2. Step 2: Convert to fraction form
    366,774,792,007.60/550,413,494,357.55 = 128,009,441,009.54/x
  3. Step 3: Cross multiply
    366,774,792,007.60x = 550,413,494,357.55 × 128,009,441,009.54
  4. Step 4: Simplify right side
    366,774,792,007.60x = 70,458,123,736,817,577,492,480
  5. Step 5: Solve for x
    x = 70,458,123,736,817,577,492,480/366,774,792,007.60
  6. Step 6: Final answer
    x = 192,101,870,881.46

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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.