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Finding the Fourth Proportional to 887,545,044, 1,331,499,142.08 and 305,203,660.56

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Solution

The fourth proportional to 887,545,044, 1,331,499,142.08 and 305,203,660.56 is: 457,867,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,545,044 : 1,331,499,142.08 = 305,203,660.56 : x
  2. Step 2: Convert to fraction form
    887,545,044/1,331,499,142.08 = 305,203,660.56/x
  3. Step 3: Cross multiply
    887,545,044x = 1,331,499,142.08 × 305,203,660.56
  4. Step 4: Simplify right side
    887,545,044x = 406,378,412,195,315,520
  5. Step 5: Solve for x
    x = 406,378,412,195,315,520/887,545,044
  6. Step 6: Final answer
    x = 457,867,930.13

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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.