Home / 18,424,043,237.40-27,581,645,297.70-12,220,213,579.80

Finding the Fourth Proportional to 18,424,043,237.40, 27,581,645,297.70 and 12,220,213,579.80

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Solution

The fourth proportional to 18,424,043,237.40, 27,581,645,297.70 and 12,220,213,579.80 is: 18,294,225,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,043,237.40 : 27,581,645,297.70 = 12,220,213,579.80 : x
  2. Step 2: Convert to fraction form
    18,424,043,237.40/27,581,645,297.70 = 12,220,213,579.80/x
  3. Step 3: Cross multiply
    18,424,043,237.40x = 27,581,645,297.70 × 12,220,213,579.80
  4. Step 4: Simplify right side
    18,424,043,237.40x = 337,053,596,420,180,344,832
  5. Step 5: Solve for x
    x = 337,053,596,420,180,344,832/18,424,043,237.40
  6. Step 6: Final answer
    x = 18,294,225,218.49

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Double scale
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1.5x scale

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.