Home / 20,418,777,399.48-28,177,939,955.62-11,263,099,709.53

Finding the Fourth Proportional to 20,418,777,399.48, 28,177,939,955.62 and 11,263,099,709.53

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Solution

The fourth proportional to 20,418,777,399.48, 28,177,939,955.62 and 11,263,099,709.53 is: 15,543,092,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418,777,399.48 : 28,177,939,955.62 = 11,263,099,709.53 : x
  2. Step 2: Convert to fraction form
    20,418,777,399.48/28,177,939,955.62 = 11,263,099,709.53/x
  3. Step 3: Cross multiply
    20,418,777,399.48x = 28,177,939,955.62 × 11,263,099,709.53
  4. Step 4: Simplify right side
    20,418,777,399.48x = 317,370,947,329,156,513,792
  5. Step 5: Solve for x
    x = 317,370,947,329,156,513,792/20,418,777,399.48
  6. Step 6: Final answer
    x = 15,543,092,572.10

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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.