Home / 654,082,003.20-981,123,004.80-508,963,180.80

Finding the Fourth Proportional to 654,082,003.20, 981,123,004.80 and 508,963,180.80

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Solution

The fourth proportional to 654,082,003.20, 981,123,004.80 and 508,963,180.80 is: 763,444,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,082,003.20 : 981,123,004.80 = 508,963,180.80 : x
  2. Step 2: Convert to fraction form
    654,082,003.20/981,123,004.80 = 508,963,180.80/x
  3. Step 3: Cross multiply
    654,082,003.20x = 981,123,004.80 × 508,963,180.80
  4. Step 4: Simplify right side
    654,082,003.20x = 499,355,485,279,061,632
  5. Step 5: Solve for x
    x = 499,355,485,279,061,632/654,082,003.20
  6. Step 6: Final answer
    x = 763,444,771.20

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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.