Home / 619,431,303.28-929,146,954.74-231,284,445.88

Finding the Fourth Proportional to 619,431,303.28, 929,146,954.74 and 231,284,445.88

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Solution

The fourth proportional to 619,431,303.28, 929,146,954.74 and 231,284,445.88 is: 346,926,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,431,303.28 : 929,146,954.74 = 231,284,445.88 : x
  2. Step 2: Convert to fraction form
    619,431,303.28/929,146,954.74 = 231,284,445.88/x
  3. Step 3: Cross multiply
    619,431,303.28x = 929,146,954.74 × 231,284,445.88
  4. Step 4: Simplify right side
    619,431,303.28x = 214,897,238,568,130,336
  5. Step 5: Solve for x
    x = 214,897,238,568,130,336/619,431,303.28
  6. Step 6: Final answer
    x = 346,926,668.75

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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.