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Finding the Fourth Proportional to 652,855,994.40, 979,283,991.60 and 222,034,490.40

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Solution

The fourth proportional to 652,855,994.40, 979,283,991.60 and 222,034,490.40 is: 333,051,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,855,994.40 : 979,283,991.60 = 222,034,490.40 : x
  2. Step 2: Convert to fraction form
    652,855,994.40/979,283,991.60 = 222,034,490.40/x
  3. Step 3: Cross multiply
    652,855,994.40x = 979,283,991.60 × 222,034,490.40
  4. Step 4: Simplify right side
    652,855,994.40x = 217,434,822,031,783,904
  5. Step 5: Solve for x
    x = 217,434,822,031,783,904/652,855,994.40
  6. Step 6: Final answer
    x = 333,051,735.60

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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.