Home / 216,542,621,332.32-324,813,485,383.56-122,172,729,658.08

Finding the Fourth Proportional to 216,542,621,332.32, 324,813,485,383.56 and 122,172,729,658.08

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Solution

The fourth proportional to 216,542,621,332.32, 324,813,485,383.56 and 122,172,729,658.08 is: 183,258,842,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,542,621,332.32 : 324,813,485,383.56 = 122,172,729,658.08 : x
  2. Step 2: Convert to fraction form
    216,542,621,332.32/324,813,485,383.56 = 122,172,729,658.08/x
  3. Step 3: Cross multiply
    216,542,621,332.32x = 324,813,485,383.56 × 122,172,729,658.08
  4. Step 4: Simplify right side
    216,542,621,332.32x = 39,683,350,139,064,396,283,904
  5. Step 5: Solve for x
    x = 39,683,350,139,064,396,283,904/216,542,621,332.32
  6. Step 6: Final answer
    x = 183,258,842,508.26

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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.