Home / 12,963,591,586.53-17,879,851,221.21-11,158,127,191.41

Finding the Fourth Proportional to 12,963,591,586.53, 17,879,851,221.21 and 11,158,127,191.41

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Solution

The fourth proportional to 12,963,591,586.53, 17,879,851,221.21 and 11,158,127,191.41 is: 15,389,689,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,591,586.53 : 17,879,851,221.21 = 11,158,127,191.41 : x
  2. Step 2: Convert to fraction form
    12,963,591,586.53/17,879,851,221.21 = 11,158,127,191.41/x
  3. Step 3: Cross multiply
    12,963,591,586.53x = 17,879,851,221.21 × 11,158,127,191.41
  4. Step 4: Simplify right side
    12,963,591,586.53x = 199,505,654,089,730,719,744
  5. Step 5: Solve for x
    x = 199,505,654,089,730,719,744/12,963,591,586.53
  6. Step 6: Final answer
    x = 15,389,689,867.81

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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.