Home / 618,925,668.05-928,191,536.60-204,325,293.38

Finding the Fourth Proportional to 618,925,668.05, 928,191,536.60 and 204,325,293.38

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Solution

The fourth proportional to 618,925,668.05, 928,191,536.60 and 204,325,293.38 is: 306,422,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,925,668.05 : 928,191,536.60 = 204,325,293.38 : x
  2. Step 2: Convert to fraction form
    618,925,668.05/928,191,536.60 = 204,325,293.38/x
  3. Step 3: Cross multiply
    618,925,668.05x = 928,191,536.60 × 204,325,293.38
  4. Step 4: Simplify right side
    618,925,668.05x = 189,653,008,022,965,440
  5. Step 5: Solve for x
    x = 189,653,008,022,965,440/618,925,668.05
  6. Step 6: Final answer
    x = 306,422,916.05

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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.