Home / 391,648,813,415.92-587,593,114,204.92-200,556,151,832.80

Finding the Fourth Proportional to 391,648,813,415.92, 587,593,114,204.92 and 200,556,151,832.80

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Solution

The fourth proportional to 391,648,813,415.92, 587,593,114,204.92 and 200,556,151,832.80 is: 300,895,623,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,648,813,415.92 : 587,593,114,204.92 = 200,556,151,832.80 : x
  2. Step 2: Convert to fraction form
    391,648,813,415.92/587,593,114,204.92 = 200,556,151,832.80/x
  3. Step 3: Cross multiply
    391,648,813,415.92x = 587,593,114,204.92 × 200,556,151,832.80
  4. Step 4: Simplify right side
    391,648,813,415.92x = 117,845,413,828,389,729,468,416
  5. Step 5: Solve for x
    x = 117,845,413,828,389,729,468,416/391,648,813,415.92
  6. Step 6: Final answer
    x = 300,895,623,302.30

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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.