Home / 398,645,584.20-597,968,376.30-223,588,918.80

Finding the Fourth Proportional to 398,645,584.20, 597,968,376.30 and 223,588,918.80

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Solution

The fourth proportional to 398,645,584.20, 597,968,376.30 and 223,588,918.80 is: 335,383,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,645,584.20 : 597,968,376.30 = 223,588,918.80 : x
  2. Step 2: Convert to fraction form
    398,645,584.20/597,968,376.30 = 223,588,918.80/x
  3. Step 3: Cross multiply
    398,645,584.20x = 597,968,376.30 × 223,588,918.80
  4. Step 4: Simplify right side
    398,645,584.20x = 133,699,102,733,508,544
  5. Step 5: Solve for x
    x = 133,699,102,733,508,544/398,645,584.20
  6. Step 6: Final answer
    x = 335,383,378.20

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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.