Home / 638,258,896.29-956,047,601.17-404,969,525.40

Finding the Fourth Proportional to 638,258,896.29, 956,047,601.17 and 404,969,525.40

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Solution

The fourth proportional to 638,258,896.29, 956,047,601.17 and 404,969,525.40 is: 606,603,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,258,896.29 : 956,047,601.17 = 404,969,525.40 : x
  2. Step 2: Convert to fraction form
    638,258,896.29/956,047,601.17 = 404,969,525.40/x
  3. Step 3: Cross multiply
    638,258,896.29x = 956,047,601.17 × 404,969,525.40
  4. Step 4: Simplify right side
    638,258,896.29x = 387,170,143,301,855,552
  5. Step 5: Solve for x
    x = 387,170,143,301,855,552/638,258,896.29
  6. Step 6: Final answer
    x = 606,603,598.56

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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.