Home / 1,420,706,860,305.20-2,131,185,569,800-400,833,319,226.35

Finding the Fourth Proportional to 1,420,706,860,305.20, 2,131,185,569,800 and 400,833,319,226.35

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Solution

The fourth proportional to 1,420,706,860,305.20, 2,131,185,569,800 and 400,833,319,226.35 is: 601,285,324,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,706,860,305.20 : 2,131,185,569,800 = 400,833,319,226.35 : x
  2. Step 2: Convert to fraction form
    1,420,706,860,305.20/2,131,185,569,800 = 400,833,319,226.35/x
  3. Step 3: Cross multiply
    1,420,706,860,305.20x = 2,131,185,569,800 × 400,833,319,226.35
  4. Step 4: Simplify right side
    1,420,706,860,305.20x = 854,250,185,830,234,008,322,048
  5. Step 5: Solve for x
    x = 854,250,185,830,234,008,322,048/1,420,706,860,305.20
  6. Step 6: Final answer
    x = 601,285,324,719.78

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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.