Home / 618,925,629.05-928,191,478.10-204,325,254.38

Finding the Fourth Proportional to 618,925,629.05, 928,191,478.10 and 204,325,254.38

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Solution

The fourth proportional to 618,925,629.05, 928,191,478.10 and 204,325,254.38 is: 306,422,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,925,629.05 : 928,191,478.10 = 204,325,254.38 : x
  2. Step 2: Convert to fraction form
    618,925,629.05/928,191,478.10 = 204,325,254.38/x
  3. Step 3: Cross multiply
    618,925,629.05x = 928,191,478.10 × 204,325,254.38
  4. Step 4: Simplify right side
    618,925,629.05x = 189,652,959,870,468,128
  5. Step 5: Solve for x
    x = 189,652,959,870,468,128/618,925,629.05
  6. Step 6: Final answer
    x = 306,422,857.56

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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.