Home / 369,481,776.14-509,886,202.65-199,936,014.50

Finding the Fourth Proportional to 369,481,776.14, 509,886,202.65 and 199,936,014.50

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Solution

The fourth proportional to 369,481,776.14, 509,886,202.65 and 199,936,014.50 is: 275,912,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,481,776.14 : 509,886,202.65 = 199,936,014.50 : x
  2. Step 2: Convert to fraction form
    369,481,776.14/509,886,202.65 = 199,936,014.50/x
  3. Step 3: Cross multiply
    369,481,776.14x = 509,886,202.65 × 199,936,014.50
  4. Step 4: Simplify right side
    369,481,776.14x = 101,944,615,206,380,336
  5. Step 5: Solve for x
    x = 101,944,615,206,380,336/369,481,776.14
  6. Step 6: Final answer
    x = 275,912,431.38

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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.