Home / 396,854,058.78-595,242,596.97-120,507,669.36

Finding the Fourth Proportional to 396,854,058.78, 595,242,596.97 and 120,507,669.36

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Solution

The fourth proportional to 396,854,058.78, 595,242,596.97 and 120,507,669.36 is: 180,749,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854,058.78 : 595,242,596.97 = 120,507,669.36 : x
  2. Step 2: Convert to fraction form
    396,854,058.78/595,242,596.97 = 120,507,669.36/x
  3. Step 3: Cross multiply
    396,854,058.78x = 595,242,596.97 × 120,507,669.36
  4. Step 4: Simplify right side
    396,854,058.78x = 71,731,298,064,648,504
  5. Step 5: Solve for x
    x = 71,731,298,064,648,504/396,854,058.78
  6. Step 6: Final answer
    x = 180,749,815.90

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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.