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Finding the Fourth Proportional to 13,862,102,480.70, 20,793,153,721.05 and 13,862,102,480.70

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Solution

The fourth proportional to 13,862,102,480.70, 20,793,153,721.05 and 13,862,102,480.70 is: 20,793,153,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,102,480.70 : 20,793,153,721.05 = 13,862,102,480.70 : x
  2. Step 2: Convert to fraction form
    13,862,102,480.70/20,793,153,721.05 = 13,862,102,480.70/x
  3. Step 3: Cross multiply
    13,862,102,480.70x = 20,793,153,721.05 × 13,862,102,480.70
  4. Step 4: Simplify right side
    13,862,102,480.70x = 288,236,827,778,143,649,792
  5. Step 5: Solve for x
    x = 288,236,827,778,143,649,792/13,862,102,480.70
  6. Step 6: Final answer
    x = 20,793,153,721.05

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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.