Home / 1,121,635,668,396.20-1,682,466,427,161.80-405,394,011,003.60

Finding the Fourth Proportional to 1,121,635,668,396.20, 1,682,466,427,161.80 and 405,394,011,003.60

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Solution

The fourth proportional to 1,121,635,668,396.20, 1,682,466,427,161.80 and 405,394,011,003.60 is: 608,095,687,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,635,668,396.20 : 1,682,466,427,161.80 = 405,394,011,003.60 : x
  2. Step 2: Convert to fraction form
    1,121,635,668,396.20/1,682,466,427,161.80 = 405,394,011,003.60/x
  3. Step 3: Cross multiply
    1,121,635,668,396.20x = 1,682,466,427,161.80 × 405,394,011,003.60
  4. Step 4: Simplify right side
    1,121,635,668,396.20x = 682,061,813,286,018,322,792,448
  5. Step 5: Solve for x
    x = 682,061,813,286,018,322,792,448/1,121,635,668,396.20
  6. Step 6: Final answer
    x = 608,095,687,846.02

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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.