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Finding the Fourth Proportional to 12,275,759,940.20, 18,413,639,910.30 and 12,275,759,940.20

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Solution

The fourth proportional to 12,275,759,940.20, 18,413,639,910.30 and 12,275,759,940.20 is: 18,413,639,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275,759,940.20 : 18,413,639,910.30 = 12,275,759,940.20 : x
  2. Step 2: Convert to fraction form
    12,275,759,940.20/18,413,639,910.30 = 12,275,759,940.20/x
  3. Step 3: Cross multiply
    12,275,759,940.20x = 18,413,639,910.30 × 12,275,759,940.20
  4. Step 4: Simplify right side
    12,275,759,940.20x = 226,041,423,164,128,657,408
  5. Step 5: Solve for x
    x = 226,041,423,164,128,657,408/12,275,759,940.20
  6. Step 6: Final answer
    x = 18,413,639,910.30

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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.