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Finding the Fourth Proportional to 885,204,856.30, 1,241,100,784.10 and 885,204,856.30

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Solution

The fourth proportional to 885,204,856.30, 1,241,100,784.10 and 885,204,856.30 is: 1,241,100,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,204,856.30 : 1,241,100,784.10 = 885,204,856.30 : x
  2. Step 2: Convert to fraction form
    885,204,856.30/1,241,100,784.10 = 885,204,856.30/x
  3. Step 3: Cross multiply
    885,204,856.30x = 1,241,100,784.10 × 885,204,856.30
  4. Step 4: Simplify right side
    885,204,856.30x = 1,098,628,441,243,057,664
  5. Step 5: Solve for x
    x = 1,098,628,441,243,057,664/885,204,856.30
  6. Step 6: Final answer
    x = 1,241,100,784.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.