Home / 345,251,604.17-518,204,815.53-213,695,935.38

Finding the Fourth Proportional to 345,251,604.17, 518,204,815.53 and 213,695,935.38

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Solution

The fourth proportional to 345,251,604.17, 518,204,815.53 and 213,695,935.38 is: 320,746,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,251,604.17 : 518,204,815.53 = 213,695,935.38 : x
  2. Step 2: Convert to fraction form
    345,251,604.17/518,204,815.53 = 213,695,935.38/x
  3. Step 3: Cross multiply
    345,251,604.17x = 518,204,815.53 × 213,695,935.38
  4. Step 4: Simplify right side
    345,251,604.17x = 110,738,262,774,331,584
  5. Step 5: Solve for x
    x = 110,738,262,774,331,584/345,251,604.17
  6. Step 6: Final answer
    x = 320,746,555.37

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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.