Home / 865,580,540.30-1,298,496,781.65-283,173,692.30

Finding the Fourth Proportional to 865,580,540.30, 1,298,496,781.65 and 283,173,692.30

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Solution

The fourth proportional to 865,580,540.30, 1,298,496,781.65 and 283,173,692.30 is: 424,801,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,580,540.30 : 1,298,496,781.65 = 283,173,692.30 : x
  2. Step 2: Convert to fraction form
    865,580,540.30/1,298,496,781.65 = 283,173,692.30/x
  3. Step 3: Cross multiply
    865,580,540.30x = 1,298,496,781.65 × 283,173,692.30
  4. Step 4: Simplify right side
    865,580,540.30x = 367,700,128,099,497,408
  5. Step 5: Solve for x
    x = 367,700,128,099,497,408/865,580,540.30
  6. Step 6: Final answer
    x = 424,801,749.79

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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.