Home / 404,221,786.20-606,542,631.30-188,811,034.20

Finding the Fourth Proportional to 404,221,786.20, 606,542,631.30 and 188,811,034.20

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Solution

The fourth proportional to 404,221,786.20, 606,542,631.30 and 188,811,034.20 is: 283,314,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,221,786.20 : 606,542,631.30 = 188,811,034.20 : x
  2. Step 2: Convert to fraction form
    404,221,786.20/606,542,631.30 = 188,811,034.20/x
  3. Step 3: Cross multiply
    404,221,786.20x = 606,542,631.30 × 188,811,034.20
  4. Step 4: Simplify right side
    404,221,786.20x = 114,521,941,502,142,272
  5. Step 5: Solve for x
    x = 114,521,941,502,142,272/404,221,786.20
  6. Step 6: Final answer
    x = 283,314,619.38

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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.