Home / 397,258,336.36-595,501,043.10-189,942,872.68

Finding the Fourth Proportional to 397,258,336.36, 595,501,043.10 and 189,942,872.68

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Solution

The fourth proportional to 397,258,336.36, 595,501,043.10 and 189,942,872.68 is: 284,729,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,258,336.36 : 595,501,043.10 = 189,942,872.68 : x
  2. Step 2: Convert to fraction form
    397,258,336.36/595,501,043.10 = 189,942,872.68/x
  3. Step 3: Cross multiply
    397,258,336.36x = 595,501,043.10 × 189,942,872.68
  4. Step 4: Simplify right side
    397,258,336.36x = 113,111,178,810,350,496
  5. Step 5: Solve for x
    x = 113,111,178,810,350,496/397,258,336.36
  6. Step 6: Final answer
    x = 284,729,528.51

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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.