Home / 13,646,839,518.31-20,472,458,912.11-4,203,478,961.47

Finding the Fourth Proportional to 13,646,839,518.31, 20,472,458,912.11 and 4,203,478,961.47

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Solution

The fourth proportional to 13,646,839,518.31, 20,472,458,912.11 and 4,203,478,961.47 is: 6,305,895,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,839,518.31 : 20,472,458,912.11 = 4,203,478,961.47 : x
  2. Step 2: Convert to fraction form
    13,646,839,518.31/20,472,458,912.11 = 4,203,478,961.47/x
  3. Step 3: Cross multiply
    13,646,839,518.31x = 20,472,458,912.11 × 4,203,478,961.47
  4. Step 4: Simplify right side
    13,646,839,518.31x = 86,055,550,326,613,393,408
  5. Step 5: Solve for x
    x = 86,055,550,326,613,393,408/13,646,839,518.31
  6. Step 6: Final answer
    x = 6,305,895,970.36

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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.