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Finding the Fourth Proportional to 422,684,710.22, 583,285,137.95 and 234,511,001.45

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Solution

The fourth proportional to 422,684,710.22, 583,285,137.95 and 234,511,001.45 is: 323,614,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,684,710.22 : 583,285,137.95 = 234,511,001.45 : x
  2. Step 2: Convert to fraction form
    422,684,710.22/583,285,137.95 = 234,511,001.45/x
  3. Step 3: Cross multiply
    422,684,710.22x = 583,285,137.95 × 234,511,001.45
  4. Step 4: Simplify right side
    422,684,710.22x = 136,786,781,831,413,056
  5. Step 5: Solve for x
    x = 136,786,781,831,413,056/422,684,710.22
  6. Step 6: Final answer
    x = 323,614,217.70

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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.