Home / 659,809,311.20-989,462,024.40-199,594,527.20

Finding the Fourth Proportional to 659,809,311.20, 989,462,024.40 and 199,594,527.20

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Solution

The fourth proportional to 659,809,311.20, 989,462,024.40 and 199,594,527.20 is: 299,315,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,809,311.20 : 989,462,024.40 = 199,594,527.20 : x
  2. Step 2: Convert to fraction form
    659,809,311.20/989,462,024.40 = 199,594,527.20/x
  3. Step 3: Cross multiply
    659,809,311.20x = 989,462,024.40 × 199,594,527.20
  4. Step 4: Simplify right side
    659,809,311.20x = 197,491,204,942,472,832
  5. Step 5: Solve for x
    x = 197,491,204,942,472,832/659,809,311.20
  6. Step 6: Final answer
    x = 299,315,577.38

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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.