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Finding the Fourth Proportional to 1,273,948,310.52, 1,757,143,065.06 and 850,348,402.02

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Solution

The fourth proportional to 1,273,948,310.52, 1,757,143,065.06 and 850,348,402.02 is: 1,172,876,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,948,310.52 : 1,757,143,065.06 = 850,348,402.02 : x
  2. Step 2: Convert to fraction form
    1,273,948,310.52/1,757,143,065.06 = 850,348,402.02/x
  3. Step 3: Cross multiply
    1,273,948,310.52x = 1,757,143,065.06 × 850,348,402.02
  4. Step 4: Simplify right side
    1,273,948,310.52x = 1,494,183,797,494,295,808
  5. Step 5: Solve for x
    x = 1,494,183,797,494,295,808/1,273,948,310.52
  6. Step 6: Final answer
    x = 1,172,876,313.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.