Home / 20,313,343,912.36-28,029,876,235.14-11,279,873,796.52

Finding the Fourth Proportional to 20,313,343,912.36, 28,029,876,235.14 and 11,279,873,796.52

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Solution

The fourth proportional to 20,313,343,912.36, 28,029,876,235.14 and 11,279,873,796.52 is: 15,564,816,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,343,912.36 : 28,029,876,235.14 = 11,279,873,796.52 : x
  2. Step 2: Convert to fraction form
    20,313,343,912.36/28,029,876,235.14 = 11,279,873,796.52/x
  3. Step 3: Cross multiply
    20,313,343,912.36x = 28,029,876,235.14 × 11,279,873,796.52
  4. Step 4: Simplify right side
    20,313,343,912.36x = 316,173,466,464,454,377,472
  5. Step 5: Solve for x
    x = 316,173,466,464,454,377,472/20,313,343,912.36
  6. Step 6: Final answer
    x = 15,564,816,301.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.