Home / 12,538,109,792.16-18,809,885,667.78-3,813,747,588

Finding the Fourth Proportional to 12,538,109,792.16, 18,809,885,667.78 and 3,813,747,588

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Solution

The fourth proportional to 12,538,109,792.16, 18,809,885,667.78 and 3,813,747,588 is: 5,721,449,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,109,792.16 : 18,809,885,667.78 = 3,813,747,588 : x
  2. Step 2: Convert to fraction form
    12,538,109,792.16/18,809,885,667.78 = 3,813,747,588/x
  3. Step 3: Cross multiply
    12,538,109,792.16x = 18,809,885,667.78 × 3,813,747,588
  4. Step 4: Simplify right side
    12,538,109,792.16x = 71,736,156,096,051,740,672
  5. Step 5: Solve for x
    x = 71,736,156,096,051,740,672/12,538,109,792.16
  6. Step 6: Final answer
    x = 5,721,449,029.02

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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.