Home / 13,646,839,512.78-20,472,458,903.82-4,203,478,955.94

Finding the Fourth Proportional to 13,646,839,512.78, 20,472,458,903.82 and 4,203,478,955.94

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Solution

The fourth proportional to 13,646,839,512.78, 20,472,458,903.82 and 4,203,478,955.94 is: 6,305,895,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,839,512.78 : 20,472,458,903.82 = 4,203,478,955.94 : x
  2. Step 2: Convert to fraction form
    13,646,839,512.78/20,472,458,903.82 = 4,203,478,955.94/x
  3. Step 3: Cross multiply
    13,646,839,512.78x = 20,472,458,903.82 × 4,203,478,955.94
  4. Step 4: Simplify right side
    13,646,839,512.78x = 86,055,550,178,487,910,400
  5. Step 5: Solve for x
    x = 86,055,550,178,487,910,400/13,646,839,512.78
  6. Step 6: Final answer
    x = 6,305,895,962.06

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1.5x scale

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.