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Finding the Fourth Proportional to 1,260,752,104.47, 1,892,275,750.97 and 671,037,436.32

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Solution

The fourth proportional to 1,260,752,104.47, 1,892,275,750.97 and 671,037,436.32 is: 1,007,166,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,752,104.47 : 1,892,275,750.97 = 671,037,436.32 : x
  2. Step 2: Convert to fraction form
    1,260,752,104.47/1,892,275,750.97 = 671,037,436.32/x
  3. Step 3: Cross multiply
    1,260,752,104.47x = 1,892,275,750.97 × 671,037,436.32
  4. Step 4: Simplify right side
    1,260,752,104.47x = 1,269,787,868,741,411,584
  5. Step 5: Solve for x
    x = 1,269,787,868,741,411,584/1,260,752,104.47
  6. Step 6: Final answer
    x = 1,007,166,963.47

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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.