Home / 413,646,072.68-620,463,794.54-137,424,298.52

Finding the Fourth Proportional to 413,646,072.68, 620,463,794.54 and 137,424,298.52

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Solution

The fourth proportional to 413,646,072.68, 620,463,794.54 and 137,424,298.52 is: 206,134,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,646,072.68 : 620,463,794.54 = 137,424,298.52 : x
  2. Step 2: Convert to fraction form
    413,646,072.68/620,463,794.54 = 137,424,298.52/x
  3. Step 3: Cross multiply
    413,646,072.68x = 620,463,794.54 × 137,424,298.52
  4. Step 4: Simplify right side
    413,646,072.68x = 85,266,801,722,580,944
  5. Step 5: Solve for x
    x = 85,266,801,722,580,944/413,646,072.68
  6. Step 6: Final answer
    x = 206,134,682.17

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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.