Home / 20,653,355,396.51-30,986,355,634.19-10,576,203,320.84

Finding the Fourth Proportional to 20,653,355,396.51, 30,986,355,634.19 and 10,576,203,320.84

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Solution

The fourth proportional to 20,653,355,396.51, 30,986,355,634.19 and 10,576,203,320.84 is: 15,867,542,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,355,396.51 : 30,986,355,634.19 = 10,576,203,320.84 : x
  2. Step 2: Convert to fraction form
    20,653,355,396.51/30,986,355,634.19 = 10,576,203,320.84/x
  3. Step 3: Cross multiply
    20,653,355,396.51x = 30,986,355,634.19 × 10,576,203,320.84
  4. Step 4: Simplify right side
    20,653,355,396.51x = 327,717,997,358,841,724,928
  5. Step 5: Solve for x
    x = 327,717,997,358,841,724,928/20,653,355,396.51
  6. Step 6: Final answer
    x = 15,867,542,637.37

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1.5x scale

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.