Home / 307,425,512.70-461,138,269.05-277,771,104.90

Finding the Fourth Proportional to 307,425,512.70, 461,138,269.05 and 277,771,104.90

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Solution

The fourth proportional to 307,425,512.70, 461,138,269.05 and 277,771,104.90 is: 416,656,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,425,512.70 : 461,138,269.05 = 277,771,104.90 : x
  2. Step 2: Convert to fraction form
    307,425,512.70/461,138,269.05 = 277,771,104.90/x
  3. Step 3: Cross multiply
    307,425,512.70x = 461,138,269.05 × 277,771,104.90
  4. Step 4: Simplify right side
    307,425,512.70x = 128,090,886,505,691,968
  5. Step 5: Solve for x
    x = 128,090,886,505,691,968/307,425,512.70
  6. Step 6: Final answer
    x = 416,656,657.35

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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.