Home / 516,846,775.88-775,178,112.96-205,928,334.20

Finding the Fourth Proportional to 516,846,775.88, 775,178,112.96 and 205,928,334.20

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Solution

The fourth proportional to 516,846,775.88, 775,178,112.96 and 205,928,334.20 is: 308,855,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,846,775.88 : 775,178,112.96 = 205,928,334.20 : x
  2. Step 2: Convert to fraction form
    516,846,775.88/775,178,112.96 = 205,928,334.20/x
  3. Step 3: Cross multiply
    516,846,775.88x = 775,178,112.96 × 205,928,334.20
  4. Step 4: Simplify right side
    516,846,775.88x = 159,631,137,510,152,224
  5. Step 5: Solve for x
    x = 159,631,137,510,152,224/516,846,775.88
  6. Step 6: Final answer
    x = 308,855,825.28

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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.