Home / 396,989,117.70-595,483,676.55-138,118,301.70

Finding the Fourth Proportional to 396,989,117.70, 595,483,676.55 and 138,118,301.70

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Solution

The fourth proportional to 396,989,117.70, 595,483,676.55 and 138,118,301.70 is: 207,177,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,989,117.70 : 595,483,676.55 = 138,118,301.70 : x
  2. Step 2: Convert to fraction form
    396,989,117.70/595,483,676.55 = 138,118,301.70/x
  3. Step 3: Cross multiply
    396,989,117.70x = 595,483,676.55 × 138,118,301.70
  4. Step 4: Simplify right side
    396,989,117.70x = 82,247,194,095,158,096
  5. Step 5: Solve for x
    x = 82,247,194,095,158,096/396,989,117.70
  6. Step 6: Final answer
    x = 207,177,452.55

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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.