Home / 465,971,321.76-643,054,090.20-254,291,819.92

Finding the Fourth Proportional to 465,971,321.76, 643,054,090.20 and 254,291,819.92

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Solution

The fourth proportional to 465,971,321.76, 643,054,090.20 and 254,291,819.92 is: 350,930,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,971,321.76 : 643,054,090.20 = 254,291,819.92 : x
  2. Step 2: Convert to fraction form
    465,971,321.76/643,054,090.20 = 254,291,819.92/x
  3. Step 3: Cross multiply
    465,971,321.76x = 643,054,090.20 × 254,291,819.92
  4. Step 4: Simplify right side
    465,971,321.76x = 163,523,394,903,957,856
  5. Step 5: Solve for x
    x = 163,523,394,903,957,856/465,971,321.76
  6. Step 6: Final answer
    x = 350,930,169.45

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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.