Home / 21,962,540,574.36-30,311,619,002.46-13,393,938,302.28

Finding the Fourth Proportional to 21,962,540,574.36, 30,311,619,002.46 and 13,393,938,302.28

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Solution

The fourth proportional to 21,962,540,574.36, 30,311,619,002.46 and 13,393,938,302.28 is: 18,485,655,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962,540,574.36 : 30,311,619,002.46 = 13,393,938,302.28 : x
  2. Step 2: Convert to fraction form
    21,962,540,574.36/30,311,619,002.46 = 13,393,938,302.28/x
  3. Step 3: Cross multiply
    21,962,540,574.36x = 30,311,619,002.46 × 13,393,938,302.28
  4. Step 4: Simplify right side
    21,962,540,574.36x = 405,991,954,761,167,273,984
  5. Step 5: Solve for x
    x = 405,991,954,761,167,273,984/21,962,540,574.36
  6. Step 6: Final answer
    x = 18,485,655,308.71

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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.