Home / 654,220,483.82-981,339,273.40-217,521,167.97

Finding the Fourth Proportional to 654,220,483.82, 981,339,273.40 and 217,521,167.97

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Solution

The fourth proportional to 654,220,483.82, 981,339,273.40 and 217,521,167.97 is: 326,284,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,220,483.82 : 981,339,273.40 = 217,521,167.97 : x
  2. Step 2: Convert to fraction form
    654,220,483.82/981,339,273.40 = 217,521,167.97/x
  3. Step 3: Cross multiply
    654,220,483.82x = 981,339,273.40 × 217,521,167.97
  4. Step 4: Simplify right side
    654,220,483.82x = 213,462,064,924,799,136
  5. Step 5: Solve for x
    x = 213,462,064,924,799,136/654,220,483.82
  6. Step 6: Final answer
    x = 326,284,593.96

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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.