Home / 655,268,047.38-982,905,745.48-218,567,532.70

Finding the Fourth Proportional to 655,268,047.38, 982,905,745.48 and 218,567,532.70

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Solution

The fourth proportional to 655,268,047.38, 982,905,745.48 and 218,567,532.70 is: 327,852,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268,047.38 : 982,905,745.48 = 218,567,532.70 : x
  2. Step 2: Convert to fraction form
    655,268,047.38/982,905,745.48 = 218,567,532.70/x
  3. Step 3: Cross multiply
    655,268,047.38x = 982,905,745.48 × 218,567,532.70
  4. Step 4: Simplify right side
    655,268,047.38x = 214,831,283,666,217,760
  5. Step 5: Solve for x
    x = 214,831,283,666,217,760/655,268,047.38
  6. Step 6: Final answer
    x = 327,852,524.67

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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.