Home / 21,855,523,355.40-30,160,830,163.50-12,823,435,131.60

Finding the Fourth Proportional to 21,855,523,355.40, 30,160,830,163.50 and 12,823,435,131.60

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Solution

The fourth proportional to 21,855,523,355.40, 30,160,830,163.50 and 12,823,435,131.60 is: 17,696,462,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,523,355.40 : 30,160,830,163.50 = 12,823,435,131.60 : x
  2. Step 2: Convert to fraction form
    21,855,523,355.40/30,160,830,163.50 = 12,823,435,131.60/x
  3. Step 3: Cross multiply
    21,855,523,355.40x = 30,160,830,163.50 × 12,823,435,131.60
  4. Step 4: Simplify right side
    21,855,523,355.40x = 386,765,449,116,846,915,584
  5. Step 5: Solve for x
    x = 386,765,449,116,846,915,584/21,855,523,355.40
  6. Step 6: Final answer
    x = 17,696,462,483.53

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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.