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Finding the Fourth Proportional to 13,862,102,500.20, 20,793,153,750.30 and 13,862,102,500.20

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Solution

The fourth proportional to 13,862,102,500.20, 20,793,153,750.30 and 13,862,102,500.20 is: 20,793,153,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,102,500.20 : 20,793,153,750.30 = 13,862,102,500.20 : x
  2. Step 2: Convert to fraction form
    13,862,102,500.20/20,793,153,750.30 = 13,862,102,500.20/x
  3. Step 3: Cross multiply
    13,862,102,500.20x = 20,793,153,750.30 × 13,862,102,500.20
  4. Step 4: Simplify right side
    13,862,102,500.20x = 288,236,828,589,076,643,840
  5. Step 5: Solve for x
    x = 288,236,828,589,076,643,840/13,862,102,500.20
  6. Step 6: Final answer
    x = 20,793,153,750.30

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Double scale
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Similar ratio
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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.