Home / 384,914,346.30-577,371,519.45-231,481,424.70

Finding the Fourth Proportional to 384,914,346.30, 577,371,519.45 and 231,481,424.70

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Solution

The fourth proportional to 384,914,346.30, 577,371,519.45 and 231,481,424.70 is: 347,222,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,914,346.30 : 577,371,519.45 = 231,481,424.70 : x
  2. Step 2: Convert to fraction form
    384,914,346.30/577,371,519.45 = 231,481,424.70/x
  3. Step 3: Cross multiply
    384,914,346.30x = 577,371,519.45 × 231,481,424.70
  4. Step 4: Simplify right side
    384,914,346.30x = 133,650,781,903,489,760
  5. Step 5: Solve for x
    x = 133,650,781,903,489,760/384,914,346.30
  6. Step 6: Final answer
    x = 347,222,137.05

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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.