Home / 20,418,777,398.97-28,177,939,954.93-11,263,099,709.02

Finding the Fourth Proportional to 20,418,777,398.97, 28,177,939,954.93 and 11,263,099,709.02

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Solution

The fourth proportional to 20,418,777,398.97, 28,177,939,954.93 and 11,263,099,709.02 is: 15,543,092,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418,777,398.97 : 28,177,939,954.93 = 11,263,099,709.02 : x
  2. Step 2: Convert to fraction form
    20,418,777,398.97/28,177,939,954.93 = 11,263,099,709.02/x
  3. Step 3: Cross multiply
    20,418,777,398.97x = 28,177,939,954.93 × 11,263,099,709.02
  4. Step 4: Simplify right side
    20,418,777,398.97x = 317,370,947,307,239,702,528
  5. Step 5: Solve for x
    x = 317,370,947,307,239,702,528/20,418,777,398.97
  6. Step 6: Final answer
    x = 15,543,092,571.41

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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.