Home / 323,627,950,257.20-485,115,408,035.40-147,090,902,807.60

Finding the Fourth Proportional to 323,627,950,257.20, 485,115,408,035.40 and 147,090,902,807.60

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Solution

The fourth proportional to 323,627,950,257.20, 485,115,408,035.40 and 147,090,902,807.60 is: 220,487,950,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,627,950,257.20 : 485,115,408,035.40 = 147,090,902,807.60 : x
  2. Step 2: Convert to fraction form
    323,627,950,257.20/485,115,408,035.40 = 147,090,902,807.60/x
  3. Step 3: Cross multiply
    323,627,950,257.20x = 485,115,408,035.40 × 147,090,902,807.60
  4. Step 4: Simplify right side
    323,627,950,257.20x = 71,356,063,333,804,241,059,840
  5. Step 5: Solve for x
    x = 71,356,063,333,804,241,059,840/323,627,950,257.20
  6. Step 6: Final answer
    x = 220,487,950,058.38

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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.