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Finding the Fourth Proportional to 332,139,968.73, 498,209,953.09 and 332,139,968.73

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Solution

The fourth proportional to 332,139,968.73, 498,209,953.09 and 332,139,968.73 is: 498,209,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,139,968.73 : 498,209,953.09 = 332,139,968.73 : x
  2. Step 2: Convert to fraction form
    332,139,968.73/498,209,953.09 = 332,139,968.73/x
  3. Step 3: Cross multiply
    332,139,968.73x = 498,209,953.09 × 332,139,968.73
  4. Step 4: Simplify right side
    332,139,968.73x = 165,475,438,237,796,320
  5. Step 5: Solve for x
    x = 165,475,438,237,796,320/332,139,968.73
  6. Step 6: Final answer
    x = 498,209,953.09

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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.