Home / 12,258,721,905-18,388,083,059.19-2,942,469,821.58

Finding the Fourth Proportional to 12,258,721,905, 18,388,083,059.19 and 2,942,469,821.58

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Solution

The fourth proportional to 12,258,721,905, 18,388,083,059.19 and 2,942,469,821.58 is: 4,413,704,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,721,905 : 18,388,083,059.19 = 2,942,469,821.58 : x
  2. Step 2: Convert to fraction form
    12,258,721,905/18,388,083,059.19 = 2,942,469,821.58/x
  3. Step 3: Cross multiply
    12,258,721,905x = 18,388,083,059.19 × 2,942,469,821.58
  4. Step 4: Simplify right side
    12,258,721,905x = 54,106,379,478,373,015,552
  5. Step 5: Solve for x
    x = 54,106,379,478,373,015,552/12,258,721,905
  6. Step 6: Final answer
    x = 4,413,704,780.78

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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.