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Finding the Fourth Proportional to 1,329,743,063.04, 1,835,227,720.96 and 765,216,343.04

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Solution

The fourth proportional to 1,329,743,063.04, 1,835,227,720.96 and 765,216,343.04 is: 1,056,103,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,743,063.04 : 1,835,227,720.96 = 765,216,343.04 : x
  2. Step 2: Convert to fraction form
    1,329,743,063.04/1,835,227,720.96 = 765,216,343.04/x
  3. Step 3: Cross multiply
    1,329,743,063.04x = 1,835,227,720.96 × 765,216,343.04
  4. Step 4: Simplify right side
    1,329,743,063.04x = 1,404,346,245,278,644,736
  5. Step 5: Solve for x
    x = 1,404,346,245,278,644,736/1,329,743,063.04
  6. Step 6: Final answer
    x = 1,056,103,456.61

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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.