Home / 200,009,305,386.55-276,012,145,462.23-108,557,855,968.57

Finding the Fourth Proportional to 200,009,305,386.55, 276,012,145,462.23 and 108,557,855,968.57

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Solution

The fourth proportional to 200,009,305,386.55, 276,012,145,462.23 and 108,557,855,968.57 is: 149,809,463,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,009,305,386.55 : 276,012,145,462.23 = 108,557,855,968.57 : x
  2. Step 2: Convert to fraction form
    200,009,305,386.55/276,012,145,462.23 = 108,557,855,968.57/x
  3. Step 3: Cross multiply
    200,009,305,386.55x = 276,012,145,462.23 × 108,557,855,968.57
  4. Step 4: Simplify right side
    200,009,305,386.55x = 29,963,286,732,664,754,667,520
  5. Step 5: Solve for x
    x = 29,963,286,732,664,754,667,520/200,009,305,386.55
  6. Step 6: Final answer
    x = 149,809,463,488.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.