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Finding the Fourth Proportional to 8,548,679,320.80, 12,823,018,981.20 and 8,548,679,320.80

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Solution

The fourth proportional to 8,548,679,320.80, 12,823,018,981.20 and 8,548,679,320.80 is: 12,823,018,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548,679,320.80 : 12,823,018,981.20 = 8,548,679,320.80 : x
  2. Step 2: Convert to fraction form
    8,548,679,320.80/12,823,018,981.20 = 8,548,679,320.80/x
  3. Step 3: Cross multiply
    8,548,679,320.80x = 12,823,018,981.20 × 8,548,679,320.80
  4. Step 4: Simplify right side
    8,548,679,320.80x = 109,619,877,194,810,327,040
  5. Step 5: Solve for x
    x = 109,619,877,194,810,327,040/8,548,679,320.80
  6. Step 6: Final answer
    x = 12,823,018,981.20

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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.