Home / 20,065,202,765.58-30,080,968,097.49-8,871,269,663.82

Finding the Fourth Proportional to 20,065,202,765.58, 30,080,968,097.49 and 8,871,269,663.82

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Solution

The fourth proportional to 20,065,202,765.58, 30,080,968,097.49 and 8,871,269,663.82 is: 13,299,460,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,202,765.58 : 30,080,968,097.49 = 8,871,269,663.82 : x
  2. Step 2: Convert to fraction form
    20,065,202,765.58/30,080,968,097.49 = 8,871,269,663.82/x
  3. Step 3: Cross multiply
    20,065,202,765.58x = 30,080,968,097.49 × 8,871,269,663.82
  4. Step 4: Simplify right side
    20,065,202,765.58x = 266,856,379,741,600,251,904
  5. Step 5: Solve for x
    x = 266,856,379,741,600,251,904/20,065,202,765.58
  6. Step 6: Final answer
    x = 13,299,460,905.49

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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.