Home / 468,935,438.88-702,515,306.88-313,019,112.72

Finding the Fourth Proportional to 468,935,438.88, 702,515,306.88 and 313,019,112.72

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Solution

The fourth proportional to 468,935,438.88, 702,515,306.88 and 313,019,112.72 is: 468,936,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,935,438.88 : 702,515,306.88 = 313,019,112.72 : x
  2. Step 2: Convert to fraction form
    468,935,438.88/702,515,306.88 = 313,019,112.72/x
  3. Step 3: Cross multiply
    468,935,438.88x = 702,515,306.88 × 313,019,112.72
  4. Step 4: Simplify right side
    468,935,438.88x = 219,900,718,031,796,128
  5. Step 5: Solve for x
    x = 219,900,718,031,796,128/468,935,438.88
  6. Step 6: Final answer
    x = 468,936,019.33

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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.