Home / 5,121,096,647.28-7,682,741,469.81-1,531,805,683.56

Finding the Fourth Proportional to 5,121,096,647.28, 7,682,741,469.81 and 1,531,805,683.56

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Solution

The fourth proportional to 5,121,096,647.28, 7,682,741,469.81 and 1,531,805,683.56 is: 2,298,036,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,096,647.28 : 7,682,741,469.81 = 1,531,805,683.56 : x
  2. Step 2: Convert to fraction form
    5,121,096,647.28/7,682,741,469.81 = 1,531,805,683.56/x
  3. Step 3: Cross multiply
    5,121,096,647.28x = 7,682,741,469.81 × 1,531,805,683.56
  4. Step 4: Simplify right side
    5,121,096,647.28x = 11,768,467,048,777,066,496
  5. Step 5: Solve for x
    x = 11,768,467,048,777,066,496/5,121,096,647.28
  6. Step 6: Final answer
    x = 2,298,036,506.50

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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.