Home / 12,339,893,078.06-18,504,004,558.26-4,780,218,368.66

Finding the Fourth Proportional to 12,339,893,078.06, 18,504,004,558.26 and 4,780,218,368.66

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Solution

The fourth proportional to 12,339,893,078.06, 18,504,004,558.26 and 4,780,218,368.66 is: 7,168,067,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,893,078.06 : 18,504,004,558.26 = 4,780,218,368.66 : x
  2. Step 2: Convert to fraction form
    12,339,893,078.06/18,504,004,558.26 = 4,780,218,368.66/x
  3. Step 3: Cross multiply
    12,339,893,078.06x = 18,504,004,558.26 × 4,780,218,368.66
  4. Step 4: Simplify right side
    12,339,893,078.06x = 88,453,182,483,162,808,320
  5. Step 5: Solve for x
    x = 88,453,182,483,162,808,320/12,339,893,078.06
  6. Step 6: Final answer
    x = 7,168,067,172.35

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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.