Home / 470,277,745.03-705,022,022.45-207,919,937.96

Finding the Fourth Proportional to 470,277,745.03, 705,022,022.45 and 207,919,937.96

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Solution

The fourth proportional to 470,277,745.03, 705,022,022.45 and 207,919,937.96 is: 311,705,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,277,745.03 : 705,022,022.45 = 207,919,937.96 : x
  2. Step 2: Convert to fraction form
    470,277,745.03/705,022,022.45 = 207,919,937.96/x
  3. Step 3: Cross multiply
    470,277,745.03x = 705,022,022.45 × 207,919,937.96
  4. Step 4: Simplify right side
    470,277,745.03x = 146,588,135,168,237,728
  5. Step 5: Solve for x
    x = 146,588,135,168,237,728/470,277,745.03
  6. Step 6: Final answer
    x = 311,705,447.93

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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.