Home / 355,591,982,044.78-533,492,752,587.06-143,246,844,172.78

Finding the Fourth Proportional to 355,591,982,044.78, 533,492,752,587.06 and 143,246,844,172.78

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Solution

The fourth proportional to 355,591,982,044.78, 533,492,752,587.06 and 143,246,844,172.78 is: 214,912,475,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,591,982,044.78 : 533,492,752,587.06 = 143,246,844,172.78 : x
  2. Step 2: Convert to fraction form
    355,591,982,044.78/533,492,752,587.06 = 143,246,844,172.78/x
  3. Step 3: Cross multiply
    355,591,982,044.78x = 533,492,752,587.06 × 143,246,844,172.78
  4. Step 4: Simplify right side
    355,591,982,044.78x = 76,421,153,197,146,052,231,168
  5. Step 5: Solve for x
    x = 76,421,153,197,146,052,231,168/355,591,982,044.78
  6. Step 6: Final answer
    x = 214,912,475,691.09

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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.