Home / 369,481,754.64-509,886,172.98-199,935,993

Finding the Fourth Proportional to 369,481,754.64, 509,886,172.98 and 199,935,993

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Solution

The fourth proportional to 369,481,754.64, 509,886,172.98 and 199,935,993 is: 275,912,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,481,754.64 : 509,886,172.98 = 199,935,993 : x
  2. Step 2: Convert to fraction form
    369,481,754.64/509,886,172.98 = 199,935,993/x
  3. Step 3: Cross multiply
    369,481,754.64x = 509,886,172.98 × 199,935,993
  4. Step 4: Simplify right side
    369,481,754.64x = 101,944,598,311,726,080
  5. Step 5: Solve for x
    x = 101,944,598,311,726,080/369,481,754.64
  6. Step 6: Final answer
    x = 275,912,401.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.