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Finding the Fourth Proportional to 8,739,306,073.20, 13,108,959,109.80 and 8,739,306,073.20

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Solution

The fourth proportional to 8,739,306,073.20, 13,108,959,109.80 and 8,739,306,073.20 is: 13,108,959,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739,306,073.20 : 13,108,959,109.80 = 8,739,306,073.20 : x
  2. Step 2: Convert to fraction form
    8,739,306,073.20/13,108,959,109.80 = 8,739,306,073.20/x
  3. Step 3: Cross multiply
    8,739,306,073.20x = 13,108,959,109.80 × 8,739,306,073.20
  4. Step 4: Simplify right side
    8,739,306,073.20x = 114,563,205,961,605,611,520
  5. Step 5: Solve for x
    x = 114,563,205,961,605,611,520/8,739,306,073.20
  6. Step 6: Final answer
    x = 13,108,959,109.80

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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.