Home / 298,834,728.68-447,332,723.24-194,980,309.76

Finding the Fourth Proportional to 298,834,728.68, 447,332,723.24 and 194,980,309.76

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Solution

The fourth proportional to 298,834,728.68, 447,332,723.24 and 194,980,309.76 is: 291,870,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,834,728.68 : 447,332,723.24 = 194,980,309.76 : x
  2. Step 2: Convert to fraction form
    298,834,728.68/447,332,723.24 = 194,980,309.76/x
  3. Step 3: Cross multiply
    298,834,728.68x = 447,332,723.24 × 194,980,309.76
  4. Step 4: Simplify right side
    298,834,728.68x = 87,221,072,943,119,552
  5. Step 5: Solve for x
    x = 87,221,072,943,119,552/298,834,728.68
  6. Step 6: Final answer
    x = 291,870,604.63

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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.