Home / 1,553,227,900.97-2,329,850,561.38-518,085,940.19

Finding the Fourth Proportional to 1,553,227,900.97, 2,329,850,561.38 and 518,085,940.19

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Solution

The fourth proportional to 1,553,227,900.97, 2,329,850,561.38 and 518,085,940.19 is: 777,131,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,227,900.97 : 2,329,850,561.38 = 518,085,940.19 : x
  2. Step 2: Convert to fraction form
    1,553,227,900.97/2,329,850,561.38 = 518,085,940.19/x
  3. Step 3: Cross multiply
    1,553,227,900.97x = 2,329,850,561.38 × 518,085,940.19
  4. Step 4: Simplify right side
    1,553,227,900.97x = 1,207,062,818,581,812,224
  5. Step 5: Solve for x
    x = 1,207,062,818,581,812,224/1,553,227,900.97
  6. Step 6: Final answer
    x = 777,131,815.51

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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.