Home / 20,970,065,595.60-28,938,689,415.18-11,324,794,636.71

Finding the Fourth Proportional to 20,970,065,595.60, 28,938,689,415.18 and 11,324,794,636.71

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Solution

The fourth proportional to 20,970,065,595.60, 28,938,689,415.18 and 11,324,794,636.71 is: 15,628,216,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,065,595.60 : 28,938,689,415.18 = 11,324,794,636.71 : x
  2. Step 2: Convert to fraction form
    20,970,065,595.60/28,938,689,415.18 = 11,324,794,636.71/x
  3. Step 3: Cross multiply
    20,970,065,595.60x = 28,938,689,415.18 × 11,324,794,636.71
  4. Step 4: Simplify right side
    20,970,065,595.60x = 327,724,714,682,446,905,344
  5. Step 5: Solve for x
    x = 327,724,714,682,446,905,344/20,970,065,595.60
  6. Step 6: Final answer
    x = 15,628,216,000.97

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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.