Home / 20,970,065,593.58-28,938,689,412.42-11,324,794,634.70

Finding the Fourth Proportional to 20,970,065,593.58, 28,938,689,412.42 and 11,324,794,634.70

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Solution

The fourth proportional to 20,970,065,593.58, 28,938,689,412.42 and 11,324,794,634.70 is: 15,628,215,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,065,593.58 : 28,938,689,412.42 = 11,324,794,634.70 : x
  2. Step 2: Convert to fraction form
    20,970,065,593.58/28,938,689,412.42 = 11,324,794,634.70/x
  3. Step 3: Cross multiply
    20,970,065,593.58x = 28,938,689,412.42 × 11,324,794,634.70
  4. Step 4: Simplify right side
    20,970,065,593.58x = 327,724,714,593,023,688,704
  5. Step 5: Solve for x
    x = 327,724,714,593,023,688,704/20,970,065,593.58
  6. Step 6: Final answer
    x = 15,628,215,998.21

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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.