Home / 39,526,032,215.67-54,544,394,613.05-21,461,134,961.49

Finding the Fourth Proportional to 39,526,032,215.67, 54,544,394,613.05 and 21,461,134,961.49

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Solution

The fourth proportional to 39,526,032,215.67, 54,544,394,613.05 and 21,461,134,961.49 is: 29,615,535,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,526,032,215.67 : 54,544,394,613.05 = 21,461,134,961.49 : x
  2. Step 2: Convert to fraction form
    39,526,032,215.67/54,544,394,613.05 = 21,461,134,961.49/x
  3. Step 3: Cross multiply
    39,526,032,215.67x = 54,544,394,613.05 × 21,461,134,961.49
  4. Step 4: Simplify right side
    39,526,032,215.67x = 1,170,584,614,183,434,321,920
  5. Step 5: Solve for x
    x = 1,170,584,614,183,434,321,920/39,526,032,215.67
  6. Step 6: Final answer
    x = 29,615,535,599.33

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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.