Home / 400,352,615.21-600,619,475.42-216,116,136.89

Finding the Fourth Proportional to 400,352,615.21, 600,619,475.42 and 216,116,136.89

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Solution

The fourth proportional to 400,352,615.21, 600,619,475.42 and 216,116,136.89 is: 324,223,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,352,615.21 : 600,619,475.42 = 216,116,136.89 : x
  2. Step 2: Convert to fraction form
    400,352,615.21/600,619,475.42 = 216,116,136.89/x
  3. Step 3: Cross multiply
    400,352,615.21x = 600,619,475.42 × 216,116,136.89
  4. Step 4: Simplify right side
    400,352,615.21x = 129,803,560,767,647,792
  5. Step 5: Solve for x
    x = 129,803,560,767,647,792/400,352,615.21
  6. Step 6: Final answer
    x = 324,223,086.94

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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.