Home / 79,571,248,216.39-109,857,888,199.78-50,651,761,539.07

Finding the Fourth Proportional to 79,571,248,216.39, 109,857,888,199.78 and 50,651,761,539.07

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Solution

The fourth proportional to 79,571,248,216.39, 109,857,888,199.78 and 50,651,761,539.07 is: 69,930,982,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,571,248,216.39 : 109,857,888,199.78 = 50,651,761,539.07 : x
  2. Step 2: Convert to fraction form
    79,571,248,216.39/109,857,888,199.78 = 50,651,761,539.07/x
  3. Step 3: Cross multiply
    79,571,248,216.39x = 109,857,888,199.78 × 50,651,761,539.07
  4. Step 4: Simplify right side
    79,571,248,216.39x = 5,564,495,556,281,068,683,264
  5. Step 5: Solve for x
    x = 5,564,495,556,281,068,683,264/79,571,248,216.39
  6. Step 6: Final answer
    x = 69,930,982,371.28

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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.