Home / 79,571,248,215.39-109,857,888,198.40-50,651,761,538.07

Finding the Fourth Proportional to 79,571,248,215.39, 109,857,888,198.40 and 50,651,761,538.07

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Solution

The fourth proportional to 79,571,248,215.39, 109,857,888,198.40 and 50,651,761,538.07 is: 69,930,982,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,571,248,215.39 : 109,857,888,198.40 = 50,651,761,538.07 : x
  2. Step 2: Convert to fraction form
    79,571,248,215.39/109,857,888,198.40 = 50,651,761,538.07/x
  3. Step 3: Cross multiply
    79,571,248,215.39x = 109,857,888,198.40 × 50,651,761,538.07
  4. Step 4: Simplify right side
    79,571,248,215.39x = 5,564,495,556,101,311,299,584
  5. Step 5: Solve for x
    x = 5,564,495,556,101,311,299,584/79,571,248,215.39
  6. Step 6: Final answer
    x = 69,930,982,369.90

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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.