Home / 1,420,706,860,318.80-2,131,185,569,820.30-400,833,319,239.95

Finding the Fourth Proportional to 1,420,706,860,318.80, 2,131,185,569,820.30 and 400,833,319,239.95

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Solution

The fourth proportional to 1,420,706,860,318.80, 2,131,185,569,820.30 and 400,833,319,239.95 is: 601,285,324,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,706,860,318.80 : 2,131,185,569,820.30 = 400,833,319,239.95 : x
  2. Step 2: Convert to fraction form
    1,420,706,860,318.80/2,131,185,569,820.30 = 400,833,319,239.95/x
  3. Step 3: Cross multiply
    1,420,706,860,318.80x = 2,131,185,569,820.30 × 400,833,319,239.95
  4. Step 4: Simplify right side
    1,420,706,860,318.80x = 854,250,185,867,355,142,225,920
  5. Step 5: Solve for x
    x = 854,250,185,867,355,142,225,920/1,420,706,860,318.80
  6. Step 6: Final answer
    x = 601,285,324,740.16

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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.