Home / 452,955,078.76-679,425,791.74-203,784,371.16

Finding the Fourth Proportional to 452,955,078.76, 679,425,791.74 and 203,784,371.16

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Solution

The fourth proportional to 452,955,078.76, 679,425,791.74 and 203,784,371.16 is: 305,673,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,955,078.76 : 679,425,791.74 = 203,784,371.16 : x
  2. Step 2: Convert to fraction form
    452,955,078.76/679,425,791.74 = 203,784,371.16/x
  3. Step 3: Cross multiply
    452,955,078.76x = 679,425,791.74 × 203,784,371.16
  4. Step 4: Simplify right side
    452,955,078.76x = 138,456,357,718,466,096
  5. Step 5: Solve for x
    x = 138,456,357,718,466,096/452,955,078.76
  6. Step 6: Final answer
    x = 305,673,485.54

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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.