Home / 355,966,166.78-491,233,239.23-197,206,606.20

Finding the Fourth Proportional to 355,966,166.78, 491,233,239.23 and 197,206,606.20

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Solution

The fourth proportional to 355,966,166.78, 491,233,239.23 and 197,206,606.20 is: 272,145,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,966,166.78 : 491,233,239.23 = 197,206,606.20 : x
  2. Step 2: Convert to fraction form
    355,966,166.78/491,233,239.23 = 197,206,606.20/x
  3. Step 3: Cross multiply
    355,966,166.78x = 491,233,239.23 × 197,206,606.20
  4. Step 4: Simplify right side
    355,966,166.78x = 96,874,439,961,180,992
  5. Step 5: Solve for x
    x = 96,874,439,961,180,992/355,966,166.78
  6. Step 6: Final answer
    x = 272,145,077.26

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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.