Home / 638,258,896.25-956,047,601.10-404,969,525.36

Finding the Fourth Proportional to 638,258,896.25, 956,047,601.10 and 404,969,525.36

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Solution

The fourth proportional to 638,258,896.25, 956,047,601.10 and 404,969,525.36 is: 606,603,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,258,896.25 : 956,047,601.10 = 404,969,525.36 : x
  2. Step 2: Convert to fraction form
    638,258,896.25/956,047,601.10 = 404,969,525.36/x
  3. Step 3: Cross multiply
    638,258,896.25x = 956,047,601.10 × 404,969,525.36
  4. Step 4: Simplify right side
    638,258,896.25x = 387,170,143,234,253,376
  5. Step 5: Solve for x
    x = 387,170,143,234,253,376/638,258,896.25
  6. Step 6: Final answer
    x = 606,603,598.50

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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.