Home / 355,591,982,043.78-533,492,752,585.56-143,246,844,171.78

Finding the Fourth Proportional to 355,591,982,043.78, 533,492,752,585.56 and 143,246,844,171.78

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Solution

The fourth proportional to 355,591,982,043.78, 533,492,752,585.56 and 143,246,844,171.78 is: 214,912,475,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,591,982,043.78 : 533,492,752,585.56 = 143,246,844,171.78 : x
  2. Step 2: Convert to fraction form
    355,591,982,043.78/533,492,752,585.56 = 143,246,844,171.78/x
  3. Step 3: Cross multiply
    355,591,982,043.78x = 533,492,752,585.56 × 143,246,844,171.78
  4. Step 4: Simplify right side
    355,591,982,043.78x = 76,421,153,196,397,687,734,272
  5. Step 5: Solve for x
    x = 76,421,153,196,397,687,734,272/355,591,982,043.78
  6. Step 6: Final answer
    x = 214,912,475,689.59

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1.5x scale

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.