Home / 1,112,524,009.20-1,668,777,719.40-336,168,169.20

Finding the Fourth Proportional to 1,112,524,009.20, 1,668,777,719.40 and 336,168,169.20

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Solution

The fourth proportional to 1,112,524,009.20, 1,668,777,719.40 and 336,168,169.20 is: 504,249,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,524,009.20 : 1,668,777,719.40 = 336,168,169.20 : x
  2. Step 2: Convert to fraction form
    1,112,524,009.20/1,668,777,719.40 = 336,168,169.20/x
  3. Step 3: Cross multiply
    1,112,524,009.20x = 1,668,777,719.40 × 336,168,169.20
  4. Step 4: Simplify right side
    1,112,524,009.20x = 560,989,950,732,449,344
  5. Step 5: Solve for x
    x = 560,989,950,732,449,344/1,112,524,009.20
  6. Step 6: Final answer
    x = 504,249,747.51

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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.