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Finding the Fourth Proportional to 458,496,003.60, 687,744,005.40 and 367,796,739.60

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Solution

The fourth proportional to 458,496,003.60, 687,744,005.40 and 367,796,739.60 is: 551,695,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,496,003.60 : 687,744,005.40 = 367,796,739.60 : x
  2. Step 2: Convert to fraction form
    458,496,003.60/687,744,005.40 = 367,796,739.60/x
  3. Step 3: Cross multiply
    458,496,003.60x = 687,744,005.40 × 367,796,739.60
  4. Step 4: Simplify right side
    458,496,003.60x = 252,950,002,865,564,800
  5. Step 5: Solve for x
    x = 252,950,002,865,564,800/458,496,003.60
  6. Step 6: Final answer
    x = 551,695,109.40

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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.