Home / 275,780,534,466.35-380,576,080,856.25-153,845,171,783.67

Finding the Fourth Proportional to 275,780,534,466.35, 380,576,080,856.25 and 153,845,171,783.67

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Solution

The fourth proportional to 275,780,534,466.35, 380,576,080,856.25 and 153,845,171,783.67 is: 212,305,747,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,780,534,466.35 : 380,576,080,856.25 = 153,845,171,783.67 : x
  2. Step 2: Convert to fraction form
    275,780,534,466.35/380,576,080,856.25 = 153,845,171,783.67/x
  3. Step 3: Cross multiply
    275,780,534,466.35x = 380,576,080,856.25 × 153,845,171,783.67
  4. Step 4: Simplify right side
    275,780,534,466.35x = 58,549,792,536,085,665,939,456
  5. Step 5: Solve for x
    x = 58,549,792,536,085,665,939,456/275,780,534,466.35
  6. Step 6: Final answer
    x = 212,305,747,573.46

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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.