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Finding the Fourth Proportional to 11,478,878,846.20, 17,191,108,490.10 and 11,478,878,846.20

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Solution

The fourth proportional to 11,478,878,846.20, 17,191,108,490.10 and 11,478,878,846.20 is: 17,191,108,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,878,846.20 : 17,191,108,490.10 = 11,478,878,846.20 : x
  2. Step 2: Convert to fraction form
    11,478,878,846.20/17,191,108,490.10 = 11,478,878,846.20/x
  3. Step 3: Cross multiply
    11,478,878,846.20x = 17,191,108,490.10 × 11,478,878,846.20
  4. Step 4: Simplify right side
    11,478,878,846.20x = 197,334,651,589,738,102,784
  5. Step 5: Solve for x
    x = 197,334,651,589,738,102,784/11,478,878,846.20
  6. Step 6: Final answer
    x = 17,191,108,490.10

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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.