Home / 20,970,065,597.60-28,938,689,417.94-11,324,794,638.71

Finding the Fourth Proportional to 20,970,065,597.60, 28,938,689,417.94 and 11,324,794,638.71

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Solution

The fourth proportional to 20,970,065,597.60, 28,938,689,417.94 and 11,324,794,638.71 is: 15,628,216,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,065,597.60 : 28,938,689,417.94 = 11,324,794,638.71 : x
  2. Step 2: Convert to fraction form
    20,970,065,597.60/28,938,689,417.94 = 11,324,794,638.71/x
  3. Step 3: Cross multiply
    20,970,065,597.60x = 28,938,689,417.94 × 11,324,794,638.71
  4. Step 4: Simplify right side
    20,970,065,597.60x = 327,724,714,771,580,649,472
  5. Step 5: Solve for x
    x = 327,724,714,771,580,649,472/20,970,065,597.60
  6. Step 6: Final answer
    x = 15,628,216,003.73

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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.