Home / 1,179,831,930,138.40-1,628,150,736,040.90-658,994,949,413.55

Finding the Fourth Proportional to 1,179,831,930,138.40, 1,628,150,736,040.90 and 658,994,949,413.55

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Solution

The fourth proportional to 1,179,831,930,138.40, 1,628,150,736,040.90 and 658,994,949,413.55 is: 909,403,351,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,831,930,138.40 : 1,628,150,736,040.90 = 658,994,949,413.55 : x
  2. Step 2: Convert to fraction form
    1,179,831,930,138.40/1,628,150,736,040.90 = 658,994,949,413.55/x
  3. Step 3: Cross multiply
    1,179,831,930,138.40x = 1,628,150,736,040.90 × 658,994,949,413.55
  4. Step 4: Simplify right side
    1,179,831,930,138.40x = 1,072,943,111,934,907,116,421,120
  5. Step 5: Solve for x
    x = 1,072,943,111,934,907,116,421,120/1,179,831,930,138.40
  6. Step 6: Final answer
    x = 909,403,351,890.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.