Home / 18,361,538,011.92-27,542,214,569.16-7,170,548,594.88

Finding the Fourth Proportional to 18,361,538,011.92, 27,542,214,569.16 and 7,170,548,594.88

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Solution

The fourth proportional to 18,361,538,011.92, 27,542,214,569.16 and 7,170,548,594.88 is: 10,755,786,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,538,011.92 : 27,542,214,569.16 = 7,170,548,594.88 : x
  2. Step 2: Convert to fraction form
    18,361,538,011.92/27,542,214,569.16 = 7,170,548,594.88/x
  3. Step 3: Cross multiply
    18,361,538,011.92x = 27,542,214,569.16 × 7,170,548,594.88
  4. Step 4: Simplify right side
    18,361,538,011.92x = 197,492,787,978,773,692,416
  5. Step 5: Solve for x
    x = 197,492,787,978,773,692,416/18,361,538,011.92
  6. Step 6: Final answer
    x = 10,755,786,789.24

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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.