Home / 561,906,408.20-842,859,612.30-238,748,289.80

Finding the Fourth Proportional to 561,906,408.20, 842,859,612.30 and 238,748,289.80

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Solution

The fourth proportional to 561,906,408.20, 842,859,612.30 and 238,748,289.80 is: 358,122,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,906,408.20 : 842,859,612.30 = 238,748,289.80 : x
  2. Step 2: Convert to fraction form
    561,906,408.20/842,859,612.30 = 238,748,289.80/x
  3. Step 3: Cross multiply
    561,906,408.20x = 842,859,612.30 × 238,748,289.80
  4. Step 4: Simplify right side
    561,906,408.20x = 201,231,290,978,116,032
  5. Step 5: Solve for x
    x = 201,231,290,978,116,032/561,906,408.20
  6. Step 6: Final answer
    x = 358,122,434.70

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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.