Home / 1,121,097,067.44-1,681,639,484.04-457,108,481.88

Finding the Fourth Proportional to 1,121,097,067.44, 1,681,639,484.04 and 457,108,481.88

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Solution

The fourth proportional to 1,121,097,067.44, 1,681,639,484.04 and 457,108,481.88 is: 685,660,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,097,067.44 : 1,681,639,484.04 = 457,108,481.88 : x
  2. Step 2: Convert to fraction form
    1,121,097,067.44/1,681,639,484.04 = 457,108,481.88/x
  3. Step 3: Cross multiply
    1,121,097,067.44x = 1,681,639,484.04 × 457,108,481.88
  4. Step 4: Simplify right side
    1,121,097,067.44x = 768,691,671,618,990,848
  5. Step 5: Solve for x
    x = 768,691,671,618,990,848/1,121,097,067.44
  6. Step 6: Final answer
    x = 685,660,228.67

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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.