Home / 38,269,569,867.84-52,812,152,418.24-21,353,930,383.68

Finding the Fourth Proportional to 38,269,569,867.84, 52,812,152,418.24 and 21,353,930,383.68

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Solution

The fourth proportional to 38,269,569,867.84, 52,812,152,418.24 and 21,353,930,383.68 is: 29,468,505,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269,569,867.84 : 52,812,152,418.24 = 21,353,930,383.68 : x
  2. Step 2: Convert to fraction form
    38,269,569,867.84/52,812,152,418.24 = 21,353,930,383.68/x
  3. Step 3: Cross multiply
    38,269,569,867.84x = 52,812,152,418.24 × 21,353,930,383.68
  4. Step 4: Simplify right side
    38,269,569,867.84x = 1,127,747,026,151,394,246,656
  5. Step 5: Solve for x
    x = 1,127,747,026,151,394,246,656/38,269,569,867.84
  6. Step 6: Final answer
    x = 29,468,505,395.96

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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.