Home / 396,854,604.34-595,243,419.40-120,508,212.20

Finding the Fourth Proportional to 396,854,604.34, 595,243,419.40 and 120,508,212.20

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Solution

The fourth proportional to 396,854,604.34, 595,243,419.40 and 120,508,212.20 is: 180,750,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854,604.34 : 595,243,419.40 = 120,508,212.20 : x
  2. Step 2: Convert to fraction form
    396,854,604.34/595,243,419.40 = 120,508,212.20/x
  3. Step 3: Cross multiply
    396,854,604.34x = 595,243,419.40 × 120,508,212.20
  4. Step 4: Simplify right side
    396,854,604.34x = 71,731,720,295,708,792
  5. Step 5: Solve for x
    x = 71,731,720,295,708,792/396,854,604.34
  6. Step 6: Final answer
    x = 180,750,631.37

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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.