Home / 20,212,022,752.16-27,890,719,564.88-11,179,586,455.64

Finding the Fourth Proportional to 20,212,022,752.16, 27,890,719,564.88 and 11,179,586,455.64

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Solution

The fourth proportional to 20,212,022,752.16, 27,890,719,564.88 and 11,179,586,455.64 is: 15,426,793,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,022,752.16 : 27,890,719,564.88 = 11,179,586,455.64 : x
  2. Step 2: Convert to fraction form
    20,212,022,752.16/27,890,719,564.88 = 11,179,586,455.64/x
  3. Step 3: Cross multiply
    20,212,022,752.16x = 27,890,719,564.88 × 11,179,586,455.64
  4. Step 4: Simplify right side
    20,212,022,752.16x = 311,806,710,685,585,965,056
  5. Step 5: Solve for x
    x = 311,806,710,685,585,965,056/20,212,022,752.16
  6. Step 6: Final answer
    x = 15,426,793,968.57

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1.5x scale

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.