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Finding the Fourth Proportional to 803,587,193.88, 1,108,864,441.44 and 451,201,920

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Solution

The fourth proportional to 803,587,193.88, 1,108,864,441.44 and 451,201,920 is: 622,610,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,587,193.88 : 1,108,864,441.44 = 451,201,920 : x
  2. Step 2: Convert to fraction form
    803,587,193.88/1,108,864,441.44 = 451,201,920/x
  3. Step 3: Cross multiply
    803,587,193.88x = 1,108,864,441.44 × 451,201,920
  4. Step 4: Simplify right side
    803,587,193.88x = 500,321,764,997,455,616
  5. Step 5: Solve for x
    x = 500,321,764,997,455,616/803,587,193.88
  6. Step 6: Final answer
    x = 622,610,425.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.