Home / 13,646,839,516.31-20,472,458,909.11-4,203,478,959.47

Finding the Fourth Proportional to 13,646,839,516.31, 20,472,458,909.11 and 4,203,478,959.47

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Solution

The fourth proportional to 13,646,839,516.31, 20,472,458,909.11 and 4,203,478,959.47 is: 6,305,895,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,839,516.31 : 20,472,458,909.11 = 4,203,478,959.47 : x
  2. Step 2: Convert to fraction form
    13,646,839,516.31/20,472,458,909.11 = 4,203,478,959.47/x
  3. Step 3: Cross multiply
    13,646,839,516.31x = 20,472,458,909.11 × 4,203,478,959.47
  4. Step 4: Simplify right side
    13,646,839,516.31x = 86,055,550,273,058,029,568
  5. Step 5: Solve for x
    x = 86,055,550,273,058,029,568/13,646,839,516.31
  6. Step 6: Final answer
    x = 6,305,895,967.36

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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.