Home / 619,431,305.80-929,146,958.48-231,284,448.40

Finding the Fourth Proportional to 619,431,305.80, 929,146,958.48 and 231,284,448.40

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Solution

The fourth proportional to 619,431,305.80, 929,146,958.48 and 231,284,448.40 is: 346,926,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,431,305.80 : 929,146,958.48 = 231,284,448.40 : x
  2. Step 2: Convert to fraction form
    619,431,305.80/929,146,958.48 = 231,284,448.40/x
  3. Step 3: Cross multiply
    619,431,305.80x = 929,146,958.48 × 231,284,448.40
  4. Step 4: Simplify right side
    619,431,305.80x = 214,897,241,774,584,512
  5. Step 5: Solve for x
    x = 214,897,241,774,584,512/619,431,305.80
  6. Step 6: Final answer
    x = 346,926,672.52

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1.5x scale

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.