Home / 1,420,706,860,309.10-2,131,185,569,805.60-400,833,319,230.10

Finding the Fourth Proportional to 1,420,706,860,309.10, 2,131,185,569,805.60 and 400,833,319,230.10

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Solution

The fourth proportional to 1,420,706,860,309.10, 2,131,185,569,805.60 and 400,833,319,230.10 is: 601,285,324,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,706,860,309.10 : 2,131,185,569,805.60 = 400,833,319,230.10 : x
  2. Step 2: Convert to fraction form
    1,420,706,860,309.10/2,131,185,569,805.60 = 400,833,319,230.10/x
  3. Step 3: Cross multiply
    1,420,706,860,309.10x = 2,131,185,569,805.60 × 400,833,319,230.10
  4. Step 4: Simplify right side
    1,420,706,860,309.10x = 854,250,185,840,470,660,218,880
  5. Step 5: Solve for x
    x = 854,250,185,840,470,660,218,880/1,420,706,860,309.10
  6. Step 6: Final answer
    x = 601,285,324,725.34

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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.