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Finding the Fourth Proportional to 556,980,704.82, 768,654,116.37 and 333,998,690.02

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Solution

The fourth proportional to 556,980,704.82, 768,654,116.37 and 333,998,690.02 is: 460,930,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,980,704.82 : 768,654,116.37 = 333,998,690.02 : x
  2. Step 2: Convert to fraction form
    556,980,704.82/768,654,116.37 = 333,998,690.02/x
  3. Step 3: Cross multiply
    556,980,704.82x = 768,654,116.37 × 333,998,690.02
  4. Step 4: Simplify right side
    556,980,704.82x = 256,729,467,946,060,640
  5. Step 5: Solve for x
    x = 256,729,467,946,060,640/556,980,704.82
  6. Step 6: Final answer
    x = 460,930,631.39

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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.