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Finding the Fourth Proportional to 13,969,495,280.15, 20,954,242,920.23 and 13,969,495,280.15

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Solution

The fourth proportional to 13,969,495,280.15, 20,954,242,920.23 and 13,969,495,280.15 is: 20,954,242,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969,495,280.15 : 20,954,242,920.23 = 13,969,495,280.15 : x
  2. Step 2: Convert to fraction form
    13,969,495,280.15/20,954,242,920.23 = 13,969,495,280.15/x
  3. Step 3: Cross multiply
    13,969,495,280.15x = 20,954,242,920.23 × 13,969,495,280.15
  4. Step 4: Simplify right side
    13,969,495,280.15x = 292,720,197,573,199,659,008
  5. Step 5: Solve for x
    x = 292,720,197,573,199,659,008/13,969,495,280.15
  6. Step 6: Final answer
    x = 20,954,242,920.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.