Home / 396,854,051.28-595,242,585.72-120,507,661.86

Finding the Fourth Proportional to 396,854,051.28, 595,242,585.72 and 120,507,661.86

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Solution

The fourth proportional to 396,854,051.28, 595,242,585.72 and 120,507,661.86 is: 180,749,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854,051.28 : 595,242,585.72 = 120,507,661.86 : x
  2. Step 2: Convert to fraction form
    396,854,051.28/595,242,585.72 = 120,507,661.86/x
  3. Step 3: Cross multiply
    396,854,051.28x = 595,242,585.72 × 120,507,661.86
  4. Step 4: Simplify right side
    396,854,051.28x = 71,731,292,244,617,824
  5. Step 5: Solve for x
    x = 71,731,292,244,617,824/396,854,051.28
  6. Step 6: Final answer
    x = 180,749,804.65

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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.