Home / 465,971,288.72-643,054,044.60-254,291,786.87

Finding the Fourth Proportional to 465,971,288.72, 643,054,044.60 and 254,291,786.87

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Solution

The fourth proportional to 465,971,288.72, 643,054,044.60 and 254,291,786.87 is: 350,930,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,971,288.72 : 643,054,044.60 = 254,291,786.87 : x
  2. Step 2: Convert to fraction form
    465,971,288.72/643,054,044.60 = 254,291,786.87/x
  3. Step 3: Cross multiply
    465,971,288.72x = 643,054,044.60 × 254,291,786.87
  4. Step 4: Simplify right side
    465,971,288.72x = 163,523,362,052,099,424
  5. Step 5: Solve for x
    x = 163,523,362,052,099,424/465,971,288.72
  6. Step 6: Final answer
    x = 350,930,123.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.