Home / 13,261,447,821.41-19,882,365,106.35-8,019,890,743.05

Finding the Fourth Proportional to 13,261,447,821.41, 19,882,365,106.35 and 8,019,890,743.05

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Solution

The fourth proportional to 13,261,447,821.41, 19,882,365,106.35 and 8,019,890,743.05 is: 12,023,905,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,447,821.41 : 19,882,365,106.35 = 8,019,890,743.05 : x
  2. Step 2: Convert to fraction form
    13,261,447,821.41/19,882,365,106.35 = 8,019,890,743.05/x
  3. Step 3: Cross multiply
    13,261,447,821.41x = 19,882,365,106.35 × 8,019,890,743.05
  4. Step 4: Simplify right side
    13,261,447,821.41x = 159,454,395,866,257,260,544
  5. Step 5: Solve for x
    x = 159,454,395,866,257,260,544/13,261,447,821.41
  6. Step 6: Final answer
    x = 12,023,905,535.33

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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.