Home / 490,665,363.85-736,004,456.53-163,140,876.96

Finding the Fourth Proportional to 490,665,363.85, 736,004,456.53 and 163,140,876.96

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Solution

The fourth proportional to 490,665,363.85, 736,004,456.53 and 163,140,876.96 is: 244,713,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,665,363.85 : 736,004,456.53 = 163,140,876.96 : x
  2. Step 2: Convert to fraction form
    490,665,363.85/736,004,456.53 = 163,140,876.96/x
  3. Step 3: Cross multiply
    490,665,363.85x = 736,004,456.53 × 163,140,876.96
  4. Step 4: Simplify right side
    490,665,363.85x = 120,072,412,484,772,400
  5. Step 5: Solve for x
    x = 120,072,412,484,772,400/490,665,363.85
  6. Step 6: Final answer
    x = 244,713,446.95

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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.