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Finding the Fourth Proportional to 238,195,468.80, 334,153,900.80 and 238,195,468.80

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Solution

The fourth proportional to 238,195,468.80, 334,153,900.80 and 238,195,468.80 is: 334,153,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,195,468.80 : 334,153,900.80 = 238,195,468.80 : x
  2. Step 2: Convert to fraction form
    238,195,468.80/334,153,900.80 = 238,195,468.80/x
  3. Step 3: Cross multiply
    238,195,468.80x = 334,153,900.80 × 238,195,468.80
  4. Step 4: Simplify right side
    238,195,468.80x = 79,593,945,052,404,704
  5. Step 5: Solve for x
    x = 79,593,945,052,404,704/238,195,468.80
  6. Step 6: Final answer
    x = 334,153,900.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.