Home / 468,021,279.20-702,031,918.80-331,972,383.20

Finding the Fourth Proportional to 468,021,279.20, 702,031,918.80 and 331,972,383.20

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Solution

The fourth proportional to 468,021,279.20, 702,031,918.80 and 331,972,383.20 is: 497,958,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,021,279.20 : 702,031,918.80 = 331,972,383.20 : x
  2. Step 2: Convert to fraction form
    468,021,279.20/702,031,918.80 = 331,972,383.20/x
  3. Step 3: Cross multiply
    468,021,279.20x = 702,031,918.80 × 331,972,383.20
  4. Step 4: Simplify right side
    468,021,279.20x = 233,055,209,166,504,864
  5. Step 5: Solve for x
    x = 233,055,209,166,504,864/468,021,279.20
  6. Step 6: Final answer
    x = 497,958,574.80

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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.