Home / 619,392,808.14-929,064,015.12-153,042,487.79

Finding the Fourth Proportional to 619,392,808.14, 929,064,015.12 and 153,042,487.79

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Solution

The fourth proportional to 619,392,808.14, 929,064,015.12 and 153,042,487.79 is: 229,557,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,392,808.14 : 929,064,015.12 = 153,042,487.79 : x
  2. Step 2: Convert to fraction form
    619,392,808.14/929,064,015.12 = 153,042,487.79/x
  3. Step 3: Cross multiply
    619,392,808.14x = 929,064,015.12 × 153,042,487.79
  4. Step 4: Simplify right side
    619,392,808.14x = 142,186,268,185,485,648
  5. Step 5: Solve for x
    x = 142,186,268,185,485,648/619,392,808.14
  6. Step 6: Final answer
    x = 229,557,505.86

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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.