Home / 580,349,519.40-869,390,538.30-349,633,266.60

Finding the Fourth Proportional to 580,349,519.40, 869,390,538.30 and 349,633,266.60

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Solution

The fourth proportional to 580,349,519.40, 869,390,538.30 and 349,633,266.60 is: 523,766,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,349,519.40 : 869,390,538.30 = 349,633,266.60 : x
  2. Step 2: Convert to fraction form
    580,349,519.40/869,390,538.30 = 349,633,266.60/x
  3. Step 3: Cross multiply
    580,349,519.40x = 869,390,538.30 × 349,633,266.60
  4. Step 4: Simplify right side
    580,349,519.40x = 303,967,853,856,961,408
  5. Step 5: Solve for x
    x = 303,967,853,856,961,408/580,349,519.40
  6. Step 6: Final answer
    x = 523,766,874.44

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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.