Home / 20,653,355,397.51-30,986,355,635.69-10,576,203,321.84

Finding the Fourth Proportional to 20,653,355,397.51, 30,986,355,635.69 and 10,576,203,321.84

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Solution

The fourth proportional to 20,653,355,397.51, 30,986,355,635.69 and 10,576,203,321.84 is: 15,867,542,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,355,397.51 : 30,986,355,635.69 = 10,576,203,321.84 : x
  2. Step 2: Convert to fraction form
    20,653,355,397.51/30,986,355,635.69 = 10,576,203,321.84/x
  3. Step 3: Cross multiply
    20,653,355,397.51x = 30,986,355,635.69 × 10,576,203,321.84
  4. Step 4: Simplify right side
    20,653,355,397.51x = 327,717,997,405,900,177,408
  5. Step 5: Solve for x
    x = 327,717,997,405,900,177,408/20,653,355,397.51
  6. Step 6: Final answer
    x = 15,867,542,638.88

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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.