Home / 13,763,668,448.60-18,986,986,437.74-8,689,321,297.88

Finding the Fourth Proportional to 13,763,668,448.60, 18,986,986,437.74 and 8,689,321,297.88

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Solution

The fourth proportional to 13,763,668,448.60, 18,986,986,437.74 and 8,689,321,297.88 is: 11,986,922,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,668,448.60 : 18,986,986,437.74 = 8,689,321,297.88 : x
  2. Step 2: Convert to fraction form
    13,763,668,448.60/18,986,986,437.74 = 8,689,321,297.88/x
  3. Step 3: Cross multiply
    13,763,668,448.60x = 18,986,986,437.74 × 8,689,321,297.88
  4. Step 4: Simplify right side
    13,763,668,448.60x = 164,984,025,635,878,305,792
  5. Step 5: Solve for x
    x = 164,984,025,635,878,305,792/13,763,668,448.60
  6. Step 6: Final answer
    x = 11,986,922,400.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.