Home / 1,145,493,040.22-1,580,729,425.86-669,227,573.45

Finding the Fourth Proportional to 1,145,493,040.22, 1,580,729,425.86 and 669,227,573.45

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Solution

The fourth proportional to 1,145,493,040.22, 1,580,729,425.86 and 669,227,573.45 is: 923,504,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,493,040.22 : 1,580,729,425.86 = 669,227,573.45 : x
  2. Step 2: Convert to fraction form
    1,145,493,040.22/1,580,729,425.86 = 669,227,573.45/x
  3. Step 3: Cross multiply
    1,145,493,040.22x = 1,580,729,425.86 × 669,227,573.45
  4. Step 4: Simplify right side
    1,145,493,040.22x = 1,057,867,717,949,299,456
  5. Step 5: Solve for x
    x = 1,057,867,717,949,299,456/1,145,493,040.22
  6. Step 6: Final answer
    x = 923,504,273.54

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.