Home / 13,178,183,382-19,768,022,131.24-4,215,159,923.40

Finding the Fourth Proportional to 13,178,183,382, 19,768,022,131.24 and 4,215,159,923.40

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Solution

The fourth proportional to 13,178,183,382, 19,768,022,131.24 and 4,215,159,923.40 is: 6,322,978,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,183,382 : 19,768,022,131.24 = 4,215,159,923.40 : x
  2. Step 2: Convert to fraction form
    13,178,183,382/19,768,022,131.24 = 4,215,159,923.40/x
  3. Step 3: Cross multiply
    13,178,183,382x = 19,768,022,131.24 × 4,215,159,923.40
  4. Step 4: Simplify right side
    13,178,183,382x = 83,325,374,652,491,317,248
  5. Step 5: Solve for x
    x = 83,325,374,652,491,317,248/13,178,183,382
  6. Step 6: Final answer
    x = 6,322,978,838.37

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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.