Home / 1,420,706,860,305.80-2,131,185,569,800.60-400,833,319,226.85

Finding the Fourth Proportional to 1,420,706,860,305.80, 2,131,185,569,800.60 and 400,833,319,226.85

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Solution

The fourth proportional to 1,420,706,860,305.80, 2,131,185,569,800.60 and 400,833,319,226.85 is: 601,285,324,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,706,860,305.80 : 2,131,185,569,800.60 = 400,833,319,226.85 : x
  2. Step 2: Convert to fraction form
    1,420,706,860,305.80/2,131,185,569,800.60 = 400,833,319,226.85/x
  3. Step 3: Cross multiply
    1,420,706,860,305.80x = 2,131,185,569,800.60 × 400,833,319,226.85
  4. Step 4: Simplify right side
    1,420,706,860,305.80x = 854,250,185,831,540,081,033,216
  5. Step 5: Solve for x
    x = 854,250,185,831,540,081,033,216/1,420,706,860,305.80
  6. Step 6: Final answer
    x = 601,285,324,720.45

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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.