Home / 528,404,468.18-792,292,709.82-200,903,954.36

Finding the Fourth Proportional to 528,404,468.18, 792,292,709.82 and 200,903,954.36

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Solution

The fourth proportional to 528,404,468.18, 792,292,709.82 and 200,903,954.36 is: 301,236,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,404,468.18 : 792,292,709.82 = 200,903,954.36 : x
  2. Step 2: Convert to fraction form
    528,404,468.18/792,292,709.82 = 200,903,954.36/x
  3. Step 3: Cross multiply
    528,404,468.18x = 792,292,709.82 × 200,903,954.36
  4. Step 4: Simplify right side
    528,404,468.18x = 159,174,738,413,438,016
  5. Step 5: Solve for x
    x = 159,174,738,413,438,016/528,404,468.18
  6. Step 6: Final answer
    x = 301,236,548.89

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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.