Home / 27,968,124,268.67-38,595,561,064.38-15,280,587,506.75

Finding the Fourth Proportional to 27,968,124,268.67, 38,595,561,064.38 and 15,280,587,506.75

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Solution

The fourth proportional to 27,968,124,268.67, 38,595,561,064.38 and 15,280,587,506.75 is: 21,086,964,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968,124,268.67 : 38,595,561,064.38 = 15,280,587,506.75 : x
  2. Step 2: Convert to fraction form
    27,968,124,268.67/38,595,561,064.38 = 15,280,587,506.75/x
  3. Step 3: Cross multiply
    27,968,124,268.67x = 38,595,561,064.38 × 15,280,587,506.75
  4. Step 4: Simplify right side
    27,968,124,268.67x = 589,762,848,216,178,753,536
  5. Step 5: Solve for x
    x = 589,762,848,216,178,753,536/27,968,124,268.67
  6. Step 6: Final answer
    x = 21,086,964,665.59

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Double scale
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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.