Home / 269,648,084,099.76-403,909,276,654.06-161,740,137,958.74

Finding the Fourth Proportional to 269,648,084,099.76, 403,909,276,654.06 and 161,740,137,958.74

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Solution

The fourth proportional to 269,648,084,099.76, 403,909,276,654.06 and 161,740,137,958.74 is: 242,272,598,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,648,084,099.76 : 403,909,276,654.06 = 161,740,137,958.74 : x
  2. Step 2: Convert to fraction form
    269,648,084,099.76/403,909,276,654.06 = 161,740,137,958.74/x
  3. Step 3: Cross multiply
    269,648,084,099.76x = 403,909,276,654.06 × 161,740,137,958.74
  4. Step 4: Simplify right side
    269,648,084,099.76x = 65,328,342,128,842,543,988,736
  5. Step 5: Solve for x
    x = 65,328,342,128,842,543,988,736/269,648,084,099.76
  6. Step 6: Final answer
    x = 242,272,598,920.72

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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.