Home / 366,774,787,220.32-550,413,487,185.14-128,009,436,223.63

Finding the Fourth Proportional to 366,774,787,220.32, 550,413,487,185.14 and 128,009,436,223.63

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Solution

The fourth proportional to 366,774,787,220.32, 550,413,487,185.14 and 128,009,436,223.63 is: 192,101,863,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,774,787,220.32 : 550,413,487,185.14 = 128,009,436,223.63 : x
  2. Step 2: Convert to fraction form
    366,774,787,220.32/550,413,487,185.14 = 128,009,436,223.63/x
  3. Step 3: Cross multiply
    366,774,787,220.32x = 550,413,487,185.14 × 128,009,436,223.63
  4. Step 4: Simplify right side
    366,774,787,220.32x = 70,458,120,184,451,972,464,640
  5. Step 5: Solve for x
    x = 70,458,120,184,451,972,464,640/366,774,787,220.32
  6. Step 6: Final answer
    x = 192,101,863,703.43

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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.