Home / 1,420,706,860,306.80-2,131,185,569,802.20-400,833,319,227.84

Finding the Fourth Proportional to 1,420,706,860,306.80, 2,131,185,569,802.20 and 400,833,319,227.84

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Solution

The fourth proportional to 1,420,706,860,306.80, 2,131,185,569,802.20 and 400,833,319,227.84 is: 601,285,324,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,706,860,306.80 : 2,131,185,569,802.20 = 400,833,319,227.84 : x
  2. Step 2: Convert to fraction form
    1,420,706,860,306.80/2,131,185,569,802.20 = 400,833,319,227.84/x
  3. Step 3: Cross multiply
    1,420,706,860,306.80x = 2,131,185,569,802.20 × 400,833,319,227.84
  4. Step 4: Simplify right side
    1,420,706,860,306.80x = 854,250,185,834,291,410,239,488
  5. Step 5: Solve for x
    x = 854,250,185,834,291,410,239,488/1,420,706,860,306.80
  6. Step 6: Final answer
    x = 601,285,324,721.96

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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.