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Finding the Fourth Proportional to 378,470,793.30, 567,706,189.95 and 378,470,793.30

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Solution

The fourth proportional to 378,470,793.30, 567,706,189.95 and 378,470,793.30 is: 567,706,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,470,793.30 : 567,706,189.95 = 378,470,793.30 : x
  2. Step 2: Convert to fraction form
    378,470,793.30/567,706,189.95 = 378,470,793.30/x
  3. Step 3: Cross multiply
    378,470,793.30x = 567,706,189.95 × 378,470,793.30
  4. Step 4: Simplify right side
    378,470,793.30x = 214,860,212,071,697,024
  5. Step 5: Solve for x
    x = 214,860,212,071,697,024/378,470,793.30
  6. Step 6: Final answer
    x = 567,706,189.95

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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.