Home / 213,719,826,574.64-320,579,555,667.96-54,542,913,146.48

Finding the Fourth Proportional to 213,719,826,574.64, 320,579,555,667.96 and 54,542,913,146.48

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Solution

The fourth proportional to 213,719,826,574.64, 320,579,555,667.96 and 54,542,913,146.48 is: 81,814,322,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,719,826,574.64 : 320,579,555,667.96 = 54,542,913,146.48 : x
  2. Step 2: Convert to fraction form
    213,719,826,574.64/320,579,555,667.96 = 54,542,913,146.48/x
  3. Step 3: Cross multiply
    213,719,826,574.64x = 320,579,555,667.96 × 54,542,913,146.48
  4. Step 4: Simplify right side
    213,719,826,574.64x = 17,485,342,861,334,694,330,368
  5. Step 5: Solve for x
    x = 17,485,342,861,334,694,330,368/213,719,826,574.64
  6. Step 6: Final answer
    x = 81,814,322,712.02

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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.