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Finding the Fourth Proportional to 633,984,003.20, 885,763,619.20 and 633,984,003.20

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Solution

The fourth proportional to 633,984,003.20, 885,763,619.20 and 633,984,003.20 is: 885,763,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,984,003.20 : 885,763,619.20 = 633,984,003.20 : x
  2. Step 2: Convert to fraction form
    633,984,003.20/885,763,619.20 = 633,984,003.20/x
  3. Step 3: Cross multiply
    633,984,003.20x = 885,763,619.20 × 633,984,003.20
  4. Step 4: Simplify right side
    633,984,003.20x = 561,559,965,189,336,448
  5. Step 5: Solve for x
    x = 561,559,965,189,336,448/633,984,003.20
  6. Step 6: Final answer
    x = 885,763,619.20

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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.