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Finding the Fourth Proportional to 20,404,224,657.30, 30,557,964,045.15 and 20,404,224,657.30

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Solution

The fourth proportional to 20,404,224,657.30, 30,557,964,045.15 and 20,404,224,657.30 is: 30,557,964,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404,224,657.30 : 30,557,964,045.15 = 20,404,224,657.30 : x
  2. Step 2: Convert to fraction form
    20,404,224,657.30/30,557,964,045.15 = 20,404,224,657.30/x
  3. Step 3: Cross multiply
    20,404,224,657.30x = 30,557,964,045.15 × 20,404,224,657.30
  4. Step 4: Simplify right side
    20,404,224,657.30x = 623,511,563,446,936,535,040
  5. Step 5: Solve for x
    x = 623,511,563,446,936,535,040/20,404,224,657.30
  6. Step 6: Final answer
    x = 30,557,964,045.15

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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.