Home / 18,542,795,523.81-27,826,591,970.97-7,921,502,007.72

Finding the Fourth Proportional to 18,542,795,523.81, 27,826,591,970.97 and 7,921,502,007.72

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Solution

The fourth proportional to 18,542,795,523.81, 27,826,591,970.97 and 7,921,502,007.72 is: 11,887,549,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542,795,523.81 : 27,826,591,970.97 = 7,921,502,007.72 : x
  2. Step 2: Convert to fraction form
    18,542,795,523.81/27,826,591,970.97 = 7,921,502,007.72/x
  3. Step 3: Cross multiply
    18,542,795,523.81x = 27,826,591,970.97 × 7,921,502,007.72
  4. Step 4: Simplify right side
    18,542,795,523.81x = 220,428,404,166,044,090,368
  5. Step 5: Solve for x
    x = 220,428,404,166,044,090,368/18,542,795,523.81
  6. Step 6: Final answer
    x = 11,887,549,743.13

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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.