Home / 404,337,408.38-606,698,186.54-280,031,330.64

Finding the Fourth Proportional to 404,337,408.38, 606,698,186.54 and 280,031,330.64

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Solution

The fourth proportional to 404,337,408.38, 606,698,186.54 and 280,031,330.64 is: 420,180,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,337,408.38 : 606,698,186.54 = 280,031,330.64 : x
  2. Step 2: Convert to fraction form
    404,337,408.38/606,698,186.54 = 280,031,330.64/x
  3. Step 3: Cross multiply
    404,337,408.38x = 606,698,186.54 × 280,031,330.64
  4. Step 4: Simplify right side
    404,337,408.38x = 169,894,500,473,671,104
  5. Step 5: Solve for x
    x = 169,894,500,473,671,104/404,337,408.38
  6. Step 6: Final answer
    x = 420,180,020.33

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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.