Home / 13,261,447,836.98-19,882,365,129.68-8,019,890,758.58

Finding the Fourth Proportional to 13,261,447,836.98, 19,882,365,129.68 and 8,019,890,758.58

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Solution

The fourth proportional to 13,261,447,836.98, 19,882,365,129.68 and 8,019,890,758.58 is: 12,023,905,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,447,836.98 : 19,882,365,129.68 = 8,019,890,758.58 : x
  2. Step 2: Convert to fraction form
    13,261,447,836.98/19,882,365,129.68 = 8,019,890,758.58/x
  3. Step 3: Cross multiply
    13,261,447,836.98x = 19,882,365,129.68 × 8,019,890,758.58
  4. Step 4: Simplify right side
    13,261,447,836.98x = 159,454,396,362,233,872,384
  5. Step 5: Solve for x
    x = 159,454,396,362,233,872,384/13,261,447,836.98
  6. Step 6: Final answer
    x = 12,023,905,558.61

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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.