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Finding the Fourth Proportional to 619,165,934.44, 928,883,270.94 and 188,333,233

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Solution

The fourth proportional to 619,165,934.44, 928,883,270.94 and 188,333,233 is: 282,540,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,165,934.44 : 928,883,270.94 = 188,333,233 : x
  2. Step 2: Convert to fraction form
    619,165,934.44/928,883,270.94 = 188,333,233/x
  3. Step 3: Cross multiply
    619,165,934.44x = 928,883,270.94 × 188,333,233
  4. Step 4: Simplify right side
    619,165,934.44x = 174,939,589,495,745,152
  5. Step 5: Solve for x
    x = 174,939,589,495,745,152/619,165,934.44
  6. Step 6: Final answer
    x = 282,540,720.94

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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.