Home / 490,593,127.20-735,889,691.52-199,392,024.48

Finding the Fourth Proportional to 490,593,127.20, 735,889,691.52 and 199,392,024.48

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Solution

The fourth proportional to 490,593,127.20, 735,889,691.52 and 199,392,024.48 is: 299,088,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,593,127.20 : 735,889,691.52 = 199,392,024.48 : x
  2. Step 2: Convert to fraction form
    490,593,127.20/735,889,691.52 = 199,392,024.48/x
  3. Step 3: Cross multiply
    490,593,127.20x = 735,889,691.52 × 199,392,024.48
  4. Step 4: Simplify right side
    490,593,127.20x = 146,730,535,386,135,488
  5. Step 5: Solve for x
    x = 146,730,535,386,135,488/490,593,127.20
  6. Step 6: Final answer
    x = 299,088,037.01

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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.