Home / 490,595,976.37-735,995,528.84-199,463,148.73

Finding the Fourth Proportional to 490,595,976.37, 735,995,528.84 and 199,463,148.73

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Solution

The fourth proportional to 490,595,976.37, 735,995,528.84 and 199,463,148.73 is: 299,236,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,595,976.37 : 735,995,528.84 = 199,463,148.73 : x
  2. Step 2: Convert to fraction form
    490,595,976.37/735,995,528.84 = 199,463,148.73/x
  3. Step 3: Cross multiply
    490,595,976.37x = 735,995,528.84 × 199,463,148.73
  4. Step 4: Simplify right side
    490,595,976.37x = 146,803,985,628,950,624
  5. Step 5: Solve for x
    x = 146,803,985,628,950,624/490,595,976.37
  6. Step 6: Final answer
    x = 299,236,016.40

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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.