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Finding the Fourth Proportional to 82,359,504,018.20, 123,539,256,027.30 and 82,359,504,018.20

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Solution

The fourth proportional to 82,359,504,018.20, 123,539,256,027.30 and 82,359,504,018.20 is: 123,539,256,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,359,504,018.20 : 123,539,256,027.30 = 82,359,504,018.20 : x
  2. Step 2: Convert to fraction form
    82,359,504,018.20/123,539,256,027.30 = 82,359,504,018.20/x
  3. Step 3: Cross multiply
    82,359,504,018.20x = 123,539,256,027.30 × 82,359,504,018.20
  4. Step 4: Simplify right side
    82,359,504,018.20x = 10,174,631,853,185,851,981,824
  5. Step 5: Solve for x
    x = 10,174,631,853,185,851,981,824/82,359,504,018.20
  6. Step 6: Final answer
    x = 123,539,256,027.30

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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.