Home / 488,943,772.40-733,415,658.60-161,469,828.20

Finding the Fourth Proportional to 488,943,772.40, 733,415,658.60 and 161,469,828.20

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Solution

The fourth proportional to 488,943,772.40, 733,415,658.60 and 161,469,828.20 is: 242,204,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,943,772.40 : 733,415,658.60 = 161,469,828.20 : x
  2. Step 2: Convert to fraction form
    488,943,772.40/733,415,658.60 = 161,469,828.20/x
  3. Step 3: Cross multiply
    488,943,772.40x = 733,415,658.60 × 161,469,828.20
  4. Step 4: Simplify right side
    488,943,772.40x = 118,424,500,393,331,840
  5. Step 5: Solve for x
    x = 118,424,500,393,331,840/488,943,772.40
  6. Step 6: Final answer
    x = 242,204,742.30

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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.