Home / 699,843,610.30-1,049,765,415.45-239,628,826.30

Finding the Fourth Proportional to 699,843,610.30, 1,049,765,415.45 and 239,628,826.30

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Solution

The fourth proportional to 699,843,610.30, 1,049,765,415.45 and 239,628,826.30 is: 359,443,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,843,610.30 : 1,049,765,415.45 = 239,628,826.30 : x
  2. Step 2: Convert to fraction form
    699,843,610.30/1,049,765,415.45 = 239,628,826.30/x
  3. Step 3: Cross multiply
    699,843,610.30x = 1,049,765,415.45 × 239,628,826.30
  4. Step 4: Simplify right side
    699,843,610.30x = 251,554,054,394,615,424
  5. Step 5: Solve for x
    x = 251,554,054,394,615,424/699,843,610.30
  6. Step 6: Final answer
    x = 359,443,239.45

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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.