Home / 445,911,660.76-669,086,618.82-200,441,731

Finding the Fourth Proportional to 445,911,660.76, 669,086,618.82 and 200,441,731

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Solution

The fourth proportional to 445,911,660.76, 669,086,618.82 and 200,441,731 is: 300,761,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,911,660.76 : 669,086,618.82 = 200,441,731 : x
  2. Step 2: Convert to fraction form
    445,911,660.76/669,086,618.82 = 200,441,731/x
  3. Step 3: Cross multiply
    445,911,660.76x = 669,086,618.82 × 200,441,731
  4. Step 4: Simplify right side
    445,911,660.76x = 134,112,880,065,217,984
  5. Step 5: Solve for x
    x = 134,112,880,065,217,984/445,911,660.76
  6. Step 6: Final answer
    x = 300,761,096.57

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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.