Home / 468,021,208.20-702,031,812.30-331,972,312.20

Finding the Fourth Proportional to 468,021,208.20, 702,031,812.30 and 331,972,312.20

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Solution

The fourth proportional to 468,021,208.20, 702,031,812.30 and 331,972,312.20 is: 497,958,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,021,208.20 : 702,031,812.30 = 331,972,312.20 : x
  2. Step 2: Convert to fraction form
    468,021,208.20/702,031,812.30 = 331,972,312.20/x
  3. Step 3: Cross multiply
    468,021,208.20x = 702,031,812.30 × 331,972,312.20
  4. Step 4: Simplify right side
    468,021,208.20x = 233,055,123,967,187,360
  5. Step 5: Solve for x
    x = 233,055,123,967,187,360/468,021,208.20
  6. Step 6: Final answer
    x = 497,958,468.30

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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.