Home / 13,261,447,838-19,882,365,131.18-8,019,890,759.56

Finding the Fourth Proportional to 13,261,447,838, 19,882,365,131.18 and 8,019,890,759.56

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Solution

The fourth proportional to 13,261,447,838, 19,882,365,131.18 and 8,019,890,759.56 is: 12,023,905,560.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,447,838 : 19,882,365,131.18 = 8,019,890,759.56 : x
  2. Step 2: Convert to fraction form
    13,261,447,838/19,882,365,131.18 = 8,019,890,759.56/x
  3. Step 3: Cross multiply
    13,261,447,838x = 19,882,365,131.18 × 8,019,890,759.56
  4. Step 4: Simplify right side
    13,261,447,838x = 159,454,396,393,748,430,848
  5. Step 5: Solve for x
    x = 159,454,396,393,748,430,848/13,261,447,838
  6. Step 6: Final answer
    x = 12,023,905,560.06

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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.