Home / 397,029,778.35-595,544,667.53-120,680,458.35

Finding the Fourth Proportional to 397,029,778.35, 595,544,667.53 and 120,680,458.35

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Solution

The fourth proportional to 397,029,778.35, 595,544,667.53 and 120,680,458.35 is: 181,020,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,029,778.35 : 595,544,667.53 = 120,680,458.35 : x
  2. Step 2: Convert to fraction form
    397,029,778.35/595,544,667.53 = 120,680,458.35/x
  3. Step 3: Cross multiply
    397,029,778.35x = 595,544,667.53 × 120,680,458.35
  4. Step 4: Simplify right side
    397,029,778.35x = 71,870,603,444,815,352
  5. Step 5: Solve for x
    x = 71,870,603,444,815,352/397,029,778.35
  6. Step 6: Final answer
    x = 181,020,687.53

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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.