Home / 13,825,407,288.67-20,729,713,175.65-5,421,244,611.69

Finding the Fourth Proportional to 13,825,407,288.67, 20,729,713,175.65 and 5,421,244,611.69

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Solution

The fourth proportional to 13,825,407,288.67, 20,729,713,175.65 and 5,421,244,611.69 is: 8,128,573,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825,407,288.67 : 20,729,713,175.65 = 5,421,244,611.69 : x
  2. Step 2: Convert to fraction form
    13,825,407,288.67/20,729,713,175.65 = 5,421,244,611.69/x
  3. Step 3: Cross multiply
    13,825,407,288.67x = 20,729,713,175.65 × 5,421,244,611.69
  4. Step 4: Simplify right side
    13,825,407,288.67x = 112,380,845,855,377,178,624
  5. Step 5: Solve for x
    x = 112,380,845,855,377,178,624/13,825,407,288.67
  6. Step 6: Final answer
    x = 8,128,573,973.19

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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.