Home / 499,997,105.44-749,995,739.97-208,705,324.21

Finding the Fourth Proportional to 499,997,105.44, 749,995,739.97 and 208,705,324.21

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Solution

The fourth proportional to 499,997,105.44, 749,995,739.97 and 208,705,324.21 is: 313,058,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,997,105.44 : 749,995,739.97 = 208,705,324.21 : x
  2. Step 2: Convert to fraction form
    499,997,105.44/749,995,739.97 = 208,705,324.21/x
  3. Step 3: Cross multiply
    499,997,105.44x = 749,995,739.97 × 208,705,324.21
  4. Step 4: Simplify right side
    499,997,105.44x = 156,528,104,066,557,728
  5. Step 5: Solve for x
    x = 156,528,104,066,557,728/499,997,105.44
  6. Step 6: Final answer
    x = 313,058,020.46

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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.