Home / 307,423,793.70-461,135,690.55-277,769,385.90

Finding the Fourth Proportional to 307,423,793.70, 461,135,690.55 and 277,769,385.90

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Solution

The fourth proportional to 307,423,793.70, 461,135,690.55 and 277,769,385.90 is: 416,654,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,423,793.70 : 461,135,690.55 = 277,769,385.90 : x
  2. Step 2: Convert to fraction form
    307,423,793.70/461,135,690.55 = 277,769,385.90/x
  3. Step 3: Cross multiply
    307,423,793.70x = 461,135,690.55 × 277,769,385.90
  4. Step 4: Simplify right side
    307,423,793.70x = 128,089,377,580,645,920
  5. Step 5: Solve for x
    x = 128,089,377,580,645,920/307,423,793.70
  6. Step 6: Final answer
    x = 416,654,078.85

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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.